A featured article in the current issue of Foreign Affairs by two Dartmouth 
political scientists refutes the notion widely held across the political 
spectrum that Russia and especially China are now on par with US imperialism in 
a new multipolar world order. Some on the Marxist left, harkening back to the 
inter-imperialist rivalries which precipitated both world wars, view Russia’s 
invasion of Ukraine and China’s claims in the South China Sea through that 
lens. They describe both as rising new “imperialist” powers aggressively 
seeking to displace an informal US empire in decline in Europe and Asia.

"But this view is wrong”, according  Stephen Brooks and William Wohlforth. “The 
world is neither bipolar nor multipolar, and it is not about to become either. 
Yes, the United States has become less dominant over the past 20 years, but it 
remains at the top of the global power hierarchy—safely above China and far, 
far above every other country.”

Russia is quickly dismissed as a contender. Much of the essay is devoted to the 
military and economic rivalry between the US and China. "For the system to be 
multipolar”, they write, "its workings must be shaped largely by the three or 
more roughly matched states at the top.”   

At best, the authors write, China’s rise has curbed US imperialist hegemony. 
While the PRC's economic and military growth has been spectacular over recent 
decades, it is still lags far behind the US in the key metrics of economic and 
military power.. 

"To argue that today’s system is not multipolar or bipolar is not to deny that 
power relations have changed. China has risen, especially in the economic 
realm, and great-power competition has returned after a post–Cold War lull. 
Gone are the days when the United States’ across-the-board primacy was 
unambiguous. But the world’s largest-ever power gap will take a long time to 
close, and not all elements of this gap will narrow at the same rate. China has 
indeed done a lot to shrink the gap in the economic realm, but it has done far 
less when it comes to military capacity and especially technology.”

To back their claim, they cite as evidence:  

Global control of air, sea, and space by the US armed forces. "We have counted 
13 categories of systems as underlying this ability—everything from nuclear 
submarines to satellites to aircraft carriers to heavy transport planes—and 
China is below 20 percent of the U.S. level in all but five of these 
capabilities, and in only two areas (cruisers and destroyers; military 
satellites) does China have more than a third of the U.S. capability.”

The US global network of alliances which are continuing to expand, especially 
in east and south Asia surrounding China.

The control of advanced semiconductor chips and other technologies by the US 
and its allies needed to produce highly complex weapons systems.

The domination of US firms in the global economy. Of the top 2,000 corporations 
in the world, US firms reap the most profits in 74 percent of sectors, compared 
to 11% for Chinese state- and privately-owned corporations. In the crucial 
high-tech sector, US firms have a 53 percent profit share while the profit 
share of Chinese corporations is in the single digits. Patent royalties 
representing the use of new technologies paid to Chinese corporations are only 
a tenth of those received by US firms.

“Ultimately", they conclude, "the world in the age of partial unipolarity 
retains many of the characteristics it exhibited in the age of total 
unipolarity, just in modified form. International norms and institutions still 
constrain revisionists, but these states are more willing to challenge them. 
The United States still has command of the commons and a unique capacity to 
project military power across the globe, but China has created a fiercely 
contested zone near its shores. The United States still possesses vast economic 
leverage, but it has a greater need to act in concert with its allies to make 
sanctions effective. It still has a unique leadership capacity for promoting 
cooperation, but its scope for unilateral action is reduced. Yes, America faces 
limits it did not face right after the Soviet Union’s collapse. But the myth of 
multipolarity obscures just how much power it still has.”

********************************************
The Myth of Multipolarity

American Power’s Staying Power

By Stephen G. Brooks and William C. Wohlforth

May/June 2023

https://www.foreignaffairs.com/united-states/china-multipolarity-myth

In the 1990s and the early years of this century, the United States’ global 
dominance could scarcely be questioned. No matter which metric of power one 
looked at, it showed a dramatic American lead. Never since the birth of the 
modern state system in the mid-seventeenth century had any country been so far 
ahead in the military, economic, and technological realms simultaneously. 
Allied with the United States, meanwhile, were the vast majority of the world’s 
richest countries, and they were tied together by a set of international 
institutions that Washington had played the lead role in constructing. The 
United States could conduct its foreign policy under fewer external constraints 
than any leading state in modern history. And as dissatisfied as China, Russia, 
and other aspiring powers were with their status in the system, they realized 
they could do nothing to overturn it.

That was then. Now, American power seems much diminished. In the intervening 
two decades, the United States has suffered costly, failed interventions in 
Afghanistan and Iraq, a devastating financial crisis, deepening political 
polarization, and, in Donald Trump, four years of a president with isolationist 
impulses. All the while, China continued its remarkable economic ascent and 
grew more assertive than ever. To many, Russia’s 2022 invasion of Ukraine 
sounded the death knell for U.S. primacy, a sign that the United States could 
no longer hold back the forces of revisionism and enforce the international 
order it had built.

According to most observers, the unipolar moment has come to a definitive end. 
Pointing to the size of China’s economy, many analysts have declared the world 
bipolar. But most go even further, arguing that the world is on the verge of 
transitioning to multipolarity or has already done so. China, Iran, and Russia 
all endorse this view, one in which they, the leading anti-American 
revisionists, finally have the power to shape the system to their liking. India 
and many other countries in the global South have reached the same conclusion, 
contending that after decades of superpower dominance, they are at last free to 
chart their own course. Even many Americans take it for granted that the world 
is now multipolar. Successive reports from the U.S. National Intelligence 
Council have proclaimed as much, as have figures on the left and right who 
favor a more modest U.S. foreign policy. There is perhaps no more widely 
accepted truth about the world today than the idea that it is no longer 
unipolar.

But this view is wrong. The world is neither bipolar nor multipolar, and it is 
not about to become either. Yes, the United States has become less dominant 
over the past 20 years, but it remains at the top of the global power 
hierarchy—safely above China and far, far above every other country. No longer 
can one pick any metric to see this reality, but it becomes clear when the 
right ones are used. And the persistence of unipolarity becomes even more 
evident when one considers that the world is still largely devoid of a force 
that shaped great-power politics in times of multipolarity and bipolarity, from 
the beginning of the modern state system through the Cold War: balancing. Other 
countries simply cannot match the power of the United States by joining 
alliances or building up their militaries.

American power still casts a large shadow across the globe, but it is 
admittedly smaller than before. Yet this development should be put in 
perspective. What is at issue is only the nature of unipolarity—not its 
existence.

MINOR THIRD

During the Cold War, the world was undeniably bipolar, defined above all by the 
competition between the United States and the Soviet Union. After the collapse 
of the Soviet Union, the world turned unipolar, with the United States clearly 
standing alone at the top. Many who proclaim multipolarity seem to think of 
power as influence—that is, the ability to get others to do what you want. 
Since the United States could not pacify Afghanistan or Iraq and cannot solve 
many other global problems, the argument runs, the world must be multipolar. 
But polarity centers on a different meaning of power, one that is measurable: 
power as resources, especially military might and economic heft. And indeed, at 
the root of most multipolarity talk these days is the idea that scholarly 
pioneers of the concept had in mind: that international politics works 
differently depending on how resources are distributed among the biggest states.

For the system to be multipolar, however, its workings must be shaped largely 
by the three or more roughly matched states at the top. The United States and 
China are undoubtedly the two most powerful countries, but at least one more 
country must be roughly in their league for multipolarity to exist. This is 
where claims of multipolarity fall apart. Every country that could plausibly 
rank third—France, Germany, India, Japan, Russia, the United Kingdom—is in no 
way a rough peer of the United States or China.

That is true no matter which metric one uses. Polarity is often still measured 
using the indicators fashionable in the mid-twentieth century, chiefly military 
outlays and economic output. Even by those crude measures, however, the system 
is not multipolar, and it is a sure bet that it won’t be for many decades. A 
simple tabulation makes this clear: barring an outright collapse of either the 
United States or China, the gap between those countries and any of the 
also-rans will not close anytime soon. All but India are too small in 
population to ever be in the same league, while India is too poor; it cannot 
possibly attain this status until much later in this century.

These stark differences between today’s material realities and a reasonable 
understanding of multipolarity point to another problem with any talk of its 
return: the equally stark contrast between today’s international politics and 
the workings of the multipolar systems in centuries past. Before 1945, 
multipolarity was the norm. International politics featured constantly shifting 
alliances among roughly matched great powers. The alliance game was played 
mainly among the great powers, not between them and lesser states. Coalition 
arithmetic was the lodestar of statecraft: shifts in alliances could upset the 
balance of power overnight, as the gain or loss of a great power in an alliance 
dwarfed what any one state could do internally to augment its own power in the 
short run. In 1801, for example, the Russian emperor Paul I seriously 
contemplated allying with rather than against Napoleon, heightening fears in 
the United Kingdom about the prospect of French hegemony in Europe—worries that 
may have, according to some historians, led the British to play a role in 
Paul’s assassination that same year.

Today, almost all the world’s real alliances (the ones that entail security 
guarantees) bind smaller states to Washington, and the main dynamic is the 
expansion of that alliance system. Because the United States still has the most 
material power and so many allies, unless it abrogates its own alliances 
wholesale, the fate of great-power politics does not hinge on any country’s 
choice of partners.

In multipolar eras, the relatively equal distribution of capabilities meant 
that states were often surpassing one another in power, leading to long periods 
of transition in which many powers claimed to be number one, and it wasn’t 
clear which deserved the title. Immediately before World War I, for example, 
the United Kingdom could claim to be number one on the basis of its global navy 
and massive colonial holdings, yet its economy and army were smaller than those 
of Germany, which itself had a smaller army than Russia—and all three 
countries’ economies were dwarfed by that of the United States. The easily 
replicable nature of technology, meanwhile, made it possible for one great 
power to quickly close the gap with a superior rival by imitating its 
advantages. Thus, in the early twentieth century, when Germany’s leaders sought 
to take the United Kingdom down a peg, they had little trouble rapidly building 
a fleet that was technologically competitive with the Royal Navy. The situation 
today is very different. For one thing, there is one clear leader and one clear 
aspirant. For another, the nature of military technology and the structure of 
the global economy slow the process of the aspirant overtaking the leader. The 
most powerful weapons today are formidably complex, and the United States and 
its allies control many of the technologies needed to produce them.

The multipolar world was an ugly world. Great-power wars broke out 
constantly—more than once a decade from 1500 to 1945. With frightening 
regularity, all or most of the strongest states would fight one another in 
horrific, all-consuming conflicts: the Thirty Years’ War, the Wars of Louis 
XIV, the Seven Years’ War, the Napoleonic Wars, World War I, and World War II. 
The shifting, hugely consequential, and decidedly uncertain alliance politics 
of multipolarity contributed to these conflicts. So did the system’s frequent 
power transitions and the fleeting nature of leading states’ grasp on their 
status. Fraught though the current international environment may be compared 
with the halcyon days of the 1990s, it lacks these inducements to conflict and 
so bears no meaningful resemblance to the age of multipolarity.

DON’T BET ON BIPOLARITY

Using GDP and military spending, some analysts might make a plausible case for 
an emergent bipolarity. But that argument dissolves when one uses metrics that 
properly account for the profound changes in the sources of state power wrought 
by multiple technological revolutions. More accurate measures suggest that the 
United States and China remain in fundamentally different categories and will 
stay there for a long time, especially in the military and technological realms.

No metric is invoked more frequently by the heralds of a polarity shift than 
GDP, but analysts in and outside China have long questioned the country’s 
official economic data. Using satellite-collected data about the intensity of 
lights at night—electricity use correlates with economic activity—the economist 
Luis Martinez has estimated that Chinese GDP growth in recent decades has been 
about one-third lower than the officially reported statistics. According to 
leaked U.S. diplomatic cables, in 2007, Li Keqiang, a provincial official who 
would go on to become China’s premier, told the U.S. ambassador to China that 
he himself did not trust his country’s “man-made” GDP figures. Instead, he 
relied on proxies, such as electricity use. Since Xi took power, reliable data 
on the Chinese economy has gotten even harder to come by because the Chinese 
government has ceased publishing tens of thousands of economic statistics that 
were once used to estimate China’s true GDP.

But some indicators cannot be faked. To evaluate China’s economic capacity, for 
example, consider the proportion of worldwide profits in a given industry that 
one country’s firms account for. Building on the work of the political 
economist Sean Starrs, research by one of us (Brooks) has found that of the top 
2,000 corporations in the world, U.S. firms are ranked first in global profit 
shares in 74 percent of sectors, whereas Chinese firms are ranked first in just 
11 percent of sectors. The data on high-tech sectors is even more telling: U.S. 
firms now have a 53 percent profit share in these crucial industries, and every 
other country with a significant high-tech sector has a profit share in the 
single digits. (Japan comes in second at seven percent, China comes in third at 
six percent, and Taiwan comes in fourth at five percent.)

The best way to measure technological capacity is to look at payments for the 
use of intellectual property—technology so valuable that others are willing to 
spend money on it. This data shows that China’s extensive R & D investments 
over the past decade are bearing fruit, with Chinese patent royalties having 
grown from less than $1 billion in 2014 to almost $12 billion in 2021. But even 
now, China still receives less than a tenth of what the United States does each 
year ($125 billion), and it even lags far behind Germany ($59 billion) and 
Japan ($47 billion).

Militarily, meanwhile, most analysts still see China as far from being a global 
peer of the United States, despite the rapid modernization of Chinese forces. 
How significant and lasting is the U.S. advantage? Consider the capabilities 
that give the United States what the political scientist Barry Posen has called 
“command of the commons”—that is, control over the air, the open sea, and 
space. Command of the commons is what makes the United States a true global 
military power. Until China can contest the United States’ dominance in this 
domain, it will remain merely a regional military power. We have counted 13 
categories of systems as underlying this ability—everything from nuclear 
submarines to satellites to aircraft carriers to heavy transport planes—and 
China is below 20 percent of the U.S. level in all but five of these 
capabilities, and in only two areas (cruisers and destroyers; military 
satellites) does China have more than a third of the U.S. capability. The 
United States remains so far ahead because it has devoted immense resources to 
developing these systems over many decades; closing these gaps would also 
require decades of effort. The disparity becomes even greater when one moves 
beyond a raw count and factors in quality. The United States’ 68 nuclear 
submarines, for example, are too quiet for China to track, whereas China’s 12 
nuclear submarines remain noisy enough for the U.S. Navy’s advanced 
antisubmarine warfare sensors to track them in deep water.

A comparison with the Soviet Union is instructive. The Red Army was a real peer 
of the U.S. military during the Cold War in a way that the Chinese military is 
not. The Soviets enjoyed three advantages that China lacks. First was favorable 
geography: with the conquest of Eastern Europe in World War II, the Soviets 
could base massive military force in the heart of Europe, a region that 
comprised a huge chunk of the world’s economic output. Second was a large 
commitment to guns over butter in a command economy geared toward the 
production of military power: the percentage of GDP that Moscow devoted to 
defense remained in the double digits throughout the Cold War, an unprecedented 
share for a modern great power in peacetime. Third was the relatively 
uncomplicated nature of military technology: for most of the Cold War, the 
Soviets could command their comparatively weak economy to swiftly match the 
United States’ nuclear and missile capability and arguably outmatch its 
conventional forces. Only in the last decade of the Cold War did the Soviets 
run into the same problem that China faces today: how to produce complex 
weapons that are competitive with those emerging from a technologically dynamic 
America with a huge military R & D budget (now $140 billion a year).

Bipolarity arose from unusual circumstances. World War II left the Soviet Union 
in a position to dominate Eurasia, and with all the other major powers save the 
United States battered from World War II, only Washington had the wherewithal 
to assemble a balancing coalition to contain Moscow. Hence the intense rivalry 
of the Cold War: the arms race, the ceaseless competition in the Third World, 
the periodic superpower crises around the globe from Berlin to Cuba. Compared 
with multipolarity, it was a simpler system, with only one pair of states at 
the top and so only one potential power transition worth worrying about.

With the demise of the Soviet Union and the shift from bipolarity to 
unipolarity, the system transformed from one historically unprecedented 
situation to another. Now, there is one dominant power and one dominant 
alliance system, not two. Unlike the Soviet Union, China has not already 
conquered key territory crucial to the global balance. Nor has Xi shown the 
same willingness as Soviet leaders to trade butter for guns (with China long 
devoting a steady two percent of GDP to military spending). Nor can he command 
his economy to match U.S. military power in a matter of years, given the 
complexity of modern weaponry.

PARTIALLY UNIPOLAR

To argue that today’s system is not multipolar or bipolar is not to deny that 
power relations have changed. China has risen, especially in the economic 
realm, and great-power competition has returned after a post–Cold War lull. 
Gone are the days when the United States’ across-the-board primacy was 
unambiguous. But the world’s largest-ever power gap will take a long time to 
close, and not all elements of this gap will narrow at the same rate. China has 
indeed done a lot to shrink the gap in the economic realm, but it has done far 
less when it comes to military capacity and especially technology.

As a result, the distribution of power today remains closer to unipolarity than 
to either bipolarity or multipolarity. Because the world has never experienced 
unipolarity before the current spell, no terminology exists to describe changes 
to such a world, which is perhaps why many have inappropriately latched on to 
the concept of multipolarity to convey their sense of a smaller American lead. 
Narrowed though it is, that lead is still substantial, which is why the 
distribution of power today is best described as “partial unipolarity,” as 
compared with the “total unipolarity” that existed after the Cold War.

The end of total unipolarity explains why Beijing, Moscow, and other 
dissatisfied powers are now more willing to act on their dissatisfaction, 
accepting some risk of attracting the focused enmity of the United States. But 
their efforts show that the world remains sufficiently unipolar that the 
prospect of being balanced against is a far stiffer constraint on the United 
States’ rivals than it is on the United States itself.

Ukraine is a case in point. In going to war, Russia showed a willingness to 
test its revisionist potential. But the very fact that Russian President 
Vladimir Putin felt the need to invade is itself a sign of weakness. In the 
1990s, if you had told his predecessor, Boris Yeltsin, that in 2023, Russia 
would be fighting a war to sustain its sphere of influence over Ukraine, which 
Russian officials back then assumed would end up as a reliable ally, he would 
scarcely have believed that Moscow could sink so low. It is ironic that now, 
when unipolarity’s end is so frequently declared, Russia is struggling to try 
to get something it thought it already had when U.S. primacy was at its peak. 
And if you had told Yeltsin that Russia would not be winning that war against a 
country with an economy one-tenth the size of Russia’s, he would have been all 
the more incredulous. The misadventure in Ukraine, moreover, has greatly 
undermined Russia’s long-term economic prospects, thanks to the massive wave of 
sanctions the West has unleashed.

But even if Russia had swiftly captured Kyiv and installed a pro-Russian 
government, as Putin expected, that would have had little bearing on the global 
distribution of power. There is no denying that the outcome of the war in 
Ukraine matters greatly for the future of that country’s sovereignty and the 
strength of the global norm against forceful land grabs. But in the narrow, 
cold-hearted calculus of global material power, Ukraine’s small economy—about 
the same size as that of Kansas—means that it ultimately matters little whether 
Ukraine is aligned with NATO, Russia, or neither side. Further, Ukraine is not 
in fact a U.S. ally. Russia would be very unlikely to dare attack one of those. 
Given how the United States has reacted when Russia attacked a country that is 
not a U.S. ally—funneling arms, aid, and intelligence to the Ukrainians and 
imposing stiff sanctions—the Kremlin surely knows that the Americans would do 
much more to protect an actual ally.

China’s revisionism is backed up by much more overall capability, but as with 
Russia, its successes are astonishingly modest in the broad sweep of history. 
So far, China has altered the territorial status quo only in the South China 
Sea, where it has built some artificial islands. But these small and exposed 
possessions could easily be rendered inoperative in wartime by the U.S. 
military. And even if China could secure all the contested portions of the 
South China Sea for itself, the overall economic significance of the resources 
there—mainly fish—is tiny. Most of the oil and gas resources in the South China 
Sea lie in uncontested areas close to various countries’ shorelines.

Unless the U.S. Navy withdraws from Asia, China’s revisionist ambitions can 
currently extend no farther than the first island chain—the string of Pacific 
archipelagoes that includes Japan, the Philippines, and Taiwan. That cannot 
change anytime soon: it would take decades, not years, for China to develop the 
full range of capabilities needed to contest the U.S. military’s command of the 
commons. Also, China may not even bother to seek such a capacity. However 
aggravating Chinese policymakers find their rival’s behavior, U.S. foreign 
policy is unlikely to engender the level of fear that motivated the costly 
development of Washington’s global power-projection capability during the Cold 
War.

For now, there is effectively only one place where China could scratch its 
revisionist itch: in Taiwan. China’s interest in the island is clearly growing, 
with Xi having declared in 2022 that “the complete reunification of the 
motherland must be achieved.” The prospect of a Chinese attack on Taiwan is 
indeed a real change from the heyday of total unipolarity, when China was too 
weak for anyone to worry about this scenario. But it is important to keep in 
mind that Beijing’s yearnings for Taiwan are a far cry from revisionist 
challenges of the past, such as those mounted by Japan and Germany in the first 
half of the twentieth century or the Soviet Union in the second; each of those 
countries conquered and occupied vast territory across great distances. And if 
China did manage to put Taiwan in its column, even the strongest proponents of 
the island’s strategic significance do not see it as so valuable that changing 
its alignment would generate a dramatic swing in the distribution of power of 
the kind that made multipolarity so dangerous.

What about the flourishing partnership between China and Russia? It definitely 
matters; it creates problems for Washington and its allies. But it holds no 
promise of a systemic power shift. When the aim is to balance against a 
superpower whose leadership and extensive alliances are deeply embedded in the 
status quo, the counteralliance needs to be similarly significant. On that 
score, Chinese-Russian relations fail the test. There is a reason the two 
parties do not call it a formal alliance. Apart from purchasing oil, China did 
little to help Russia in Ukraine during the first year of the conflict. A truly 
consequential partnership would involve sustained cooperation across a wide 
variety of areas, not shallow cooperation largely born of convenience. And even 
if China and Russia upgraded their relations, each is still merely a regional 
military power. Putting together two powers capable of regional balancing does 
not equate to global balancing. Achieving that would require military 
capabilities that Russia and China individually and collectively do not 
have—and cannot have anytime soon.

ROUGH TIMES FOR REVISIONISM

All this might seem cold comfort, given that even the limited revisionist 
quests of China and Russia could still spark a great-power war, with its 
frightening potential to go nuclear. But it is important to put the system’s 
stability in historical perspective. During the Cold War, each superpower 
feared that if all of Germany fell to the other, the global balance of power 
would shift decisively. (And with good reason: in 1970, West Germany’s economy 
was about one-quarter the size of the United States’ and two-thirds the size of 
the Soviet Union’s.) Because each superpower was so close to such an 
economically valuable object, and because the prize was literally split between 
them, the result was an intense security competition in which each based 
hundreds of thousands of troops in their half of Germany. The prospect of 
brinkmanship crises over Germany’s fate loomed in the background and 
occasionally came to the foreground, as in the 1961 crisis over the status of 
Berlin.

Or compare the present situation to the multipolar 1930s, when, in less than a 
decade, Germany went from being a disarmed, constrained power to nearly 
conquering all of Eurasia. But Germany was able to do so thanks to two 
advantages that do not exist today. First, a great power could build up 
substantial military projection power in only a few years back then, since the 
weapons systems of the day were relatively uncomplicated. Second, Germany had a 
geographically and economically viable option to augment its power by 
conquering neighboring countries. In 1939, the Nazis first added the economic 
resources of Czechoslovakia (around ten percent the size of Germany’s) and then 
Poland (17 percent). They used these victories as a springboard for more 
conquests in 1940, including Belgium (11 percent), the Netherlands (ten 
percent), and France (51 percent). China doesn’t have anything like the same 
opportunity. For one thing, Taiwan’s GDP is less than five percent of China’s. 
For another, the island is separated from the mainland by a formidable expanse 
of water. As the MIT research scientist Owen Cote has underscored, because 
China lacks command of the sea surface, it simply “cannot safeguard a properly 
sized, seaborne invasion force and the follow-on shipping necessary to support 
it during multiple transits across the 100-plus mile-wide Taiwan Straits.” 
Consider that the English Channel was a fifth of the width but still enough of 
a barrier to stop the Nazis from conquering the United Kingdom.

Japan and South Korea are the only other large economic prizes nearby, but 
Beijing is in no position to take a run at them militarily, either. And because 
Japan, South Korea, and Taiwan have economies that are knowledge-based and 
highly integrated with the global economy, their wealth cannot be effectively 
extracted through conquest. The Nazis could, for example, commandeer the Czech 
arms manufacturer Skoda Works to enhance the German war machine, but China 
could not so easily exploit the Taiwan Semiconductor Manufacturing Company. Its 
operation depends on employees with specialized knowledge who could flee in the 
event of an invasion and on a pipeline of inputs from around the globe that war 
would cut off

Today’s revisionists face another obstacle: while they are confined to regional 
balancing, the United States can hit back globally. For instance, the United 
States is not meeting Russia directly on the battlefield but is instead using 
its global position to punish the country through a set of devastating economic 
sanctions and a massive flow of conventional weaponry, intelligence, and other 
forms of military assistance to Kyiv. The United States could likewise “go 
global” if China tried to take Taiwan, imposing a comprehensive naval blockade 
far from China’s shores to curtail its access to the global economy. Such a 
blockade would ravage the country’s economy (which relies greatly on 
technological imports and largely plays an assembly role in global production 
chains) while harming the U.S. economy far less.

Because the United States has so much influence in the global economy, it can 
use economic levers to punish other countries without worrying much about what 
they might do in response. If China tried to conquer Taiwan, and the United 
States imposed a distant blockade on China, Beijing would certainly try to 
retaliate economically. But the strongest economic arrow in its quiver wouldn’t 
do much damage. China could, as many have feared, sell some or all of its 
massive holdings of U.S. Treasury securities in an attempt to raise borrowing 
costs in the United States. Yet the U.S. Federal Reserve could just purchase 
all the securities. As the economist Brad Setser has put it, “The U.S. 
ultimately holds the high cards here: the Fed is the one actor in the world 
that can buy more than China can ever sell.”

Today’s international norms also hinder revisionists. That is no accident, 
since many of these standards of behavior were created by the United States and 
its allies after World War II. For example, Washington promulgated the 
proscription against the use of force to alter international boundaries not 
only to prevent major conflicts but also to lock in place the postwar status 
quo from which it benefited. Russia has experienced such strong pushback for 
invading Ukraine in part because it has so blatantly violated this norm. In 
norms as in other areas, the global landscape is favorable terrain for the 
United States and rough for revisionists.

AMERICA’S CHOICE

The political scientist Kenneth Waltz distinguished between the truly systemic 
feature of the distribution of capabilities, on the one hand, and the alliances 
that states form, on the other. Although countries could not choose how much 
power they had, he argued, they could pick their team. The U.S.-centric 
alliance system that defines so much of international politics, now entering 
its eighth decade, has attained something of a structural character, but 
Waltz’s distinction still holds. The current international order emerged not 
from power alone but also from choices made by the United States and its 
allies—to cooperate deeply in the economic and security realms, first to 
contain the Soviet Union and then to advance a global order that made it easier 
to trade and cooperate. Their choices still matter. If they make the right 
ones, then bipolarity or multipolarity will remain a distant eventuality, and 
the partial unipolar system of today will last for decades to come.

Most consequentially, the United States should not step back from its alliances 
and security commitments in Europe or Asia. The United States derives 
significant benefits from its security leadership in these regions. If America 
came home, a more dangerous, unstable world would emerge. There would also be 
less cooperation on the global economy and other important issues that 
Washington cannot solve on its own.

Indeed, in the era of partial unipolarity, alliances are all the more valuable. 
Revisionism demands punishment, and with fewer unilateral options on the table, 
there is a greater need for the United States to respond in concert with its 
allies. Yet Washington still has substantial power to shape such cooperation. 
Cooperation among self-interested states can emerge without leadership, but it 
is more likely to do so when Washington guides the process. And American 
proposals frequently become the focal point around which its partners rally.

Keeping U.S. alliances in Asia and Europe intact hardly means that Washington 
should sign a blank check: its friends can and should do more to properly 
defend themselves. Not only will they need to spend more; they will need to 
spend more wisely, too. U.S. allies in Europe should increase their capacity 
for territorial defense in areas where the United States can do less while not 
trying to duplicate areas of U.S. strength. In practice, this means focusing on 
the simple task of fielding more ground troops. In Asia, U.S. allies would be 
wise to prioritize defensive systems and strategies, especially with respect to 
Taiwan. Fortunately, after more than a decade of ignoring calls to prioritize a 
defensive strategy for securing the island—turning it into a 
difficult-to-swallow “porcupine”—Taipei appears to have finally awakened to 
this need, thanks to Ukraine.

In economic policy, Washington should resist the temptation to always drive the 
hardest bargain with its allies. The best leaders have willing followers, not 
ones that must be coaxed or coerced. At the heart of today’s international 
order is an implicit pledge that has served the United States well: although 
the country gains certain unique benefits from its dominance of the system, it 
doesn’t abuse its position to extract undue returns from its allies. 
Maintaining this arrangement requires policies that are less protectionist than 
the ones pursued by either the Trump or the Biden administration. When it comes 
to trade, instead of thinking just about what it wants, Washington should also 
consider what its allies want. For most, the answer is simple: access to the 
U.S. market. Accordingly, the United States should put real trade deals on the 
table for its partners in Asia and Europe that would lower trade barriers. Done 
properly, market access can be improved in ways that not only please U.S. 
allies but also create enough benefits for Americans that politicians can 
overcome political constraints.

The United States must also resist the temptation to use its military to change 
the status quo. The 20-year nation-building exercise in Afghanistan and the 
invasion of Iraq were self-inflicted wounds. The lesson should be easy enough 
to remember: no occupations ever again. Any proposal to use U.S. military force 
outside Asia and Europe should be deeply interrogated, and the default response 
should be “no.” Preventing China and Russia from changing the status quo in 
Asia and Europe was once relatively easy, but now it is a full-time job. That 
is where the U.S. military’s focus should lie.

Ultimately, the world in the age of partial unipolarity retains many of the 
characteristics it exhibited in the age of total unipolarity, just in modified 
form. International norms and institutions still constrain revisionists, but 
these states are more willing to challenge them. The United States still has 
command of the commons and a unique capacity to project military power across 
the globe, but China has created a fiercely contested zone near its shores. The 
United States still possesses vast economic leverage, but it has a greater need 
to act in concert with its allies to make sanctions effective. It still has a 
unique leadership capacity for promoting cooperation, but its scope for 
unilateral action is reduced. Yes, America faces limits it did not face right 
after the Soviet Union’s collapse. But the myth of multipolarity obscures just 
how much power it still has.



        STEPHEN G. BROOKS is a Professor of Government at Dartmouth College and 
a Guest Professor at Stockholm University.

        WILLIAM C. WOHLFORTH is Daniel Webster Professor at Dartmouth College.

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