America and the Geopolitics of Upheaval

An M1A2 main battle tank assigned to 1st Battalion, 35nd Armored Regiment breaches obstacles during AWA 17.1 at Fort Bliss on October 2016.

The friendly contours of the post–Cold War system have given way to a darker and more challenging environment.

July-August 2017

“THE ESSENCE of a revolution is that it appears to contemporaries as a series of more or less unrelated upheavals,” Henry Kissinger wrote in 1969. “But the crises which form the headlines of the day are symptoms of deep-seated structural problems.” Kissinger wrote this passage as the postwar international system was coming under unprecedented strain, with profound shifts in the global distribution of power driving incessant disruptions in U.S. foreign policy. His admonition applies just as well today, at the onset of a new era of upheaval.

During Donald Trump’s presidency and after, U.S. foreign policy is likely to be wracked by crises. The instability and violence along a resurgent Russia’s periphery, the growing frictions with an increasingly assertive China, the provocations of a rapidly nuclearizing North Korea and the profound chaos at work throughout the Middle East: these and other challenges have recently tested U.S. officials and are likely to do so for the foreseeable future. The world now seems less stable and more dangerous than at any time since the Cold War; the number and severity of global crises are increasing.

Yet crises do not occur in a vacuum; they are symptomatic of deeper changes in the international order. Accordingly, America’s responses will be ill-informed and astrategic unless Washington first forms a deeper conception of the current moment.

The geopolitical changes underway are often framed in terms of “polarity”—the debate on whether America’s “unipolar moment” is over and a multipolar world has emerged. But this debate is misleading. On the one hand, discussions of polarity frequently exaggerate American decline, obscuring the fact that even though Washington’s international superiority has diminished, its global lead over any single challenger remains quite impressive. On the other hand, the polarity debate actually obscures both the degree and breadth of the ongoing changes in the international system, and of the challenges facing American officials.

The fundamental fact of international politics today is that the post–Cold War era has ended. The defining features of that period were uncontested U.S. and Western primacy, marked declines in ideological struggle and great-power conflict, and remarkable global cooperation in addressing key international-security challenges. Now, however, the world has returned to a more normal—which is to say, more dangerous and unsettled—state.

The core characteristics of the emerging era are the gradual erosion of U.S. and Western primacy, revived great-power competition across all three key regions of Eurasia, renewed global ideological struggle, and empowerment of the agents of international strife and disorder. What makes the present period so tumultuous is that these forces often compound one another’s destabilizing effects; moreover, their collective impact is magnified by a growing uncertainty about whether America and other traditional defenders of the international system will continue playing that role in the future. American primacy is not dead, in other words, and true multipolarity is still a long ways off. But U.S. primacy is far more contested than at any time in a quarter-century, and the friendly contours of the post–Cold War system have given way to a darker and more challenging environment.

THE BEST way to understand the present era is to compare it to the previous one. The post–Cold War era was defined by four phenomena that made it historically favorable to American interests.

The first was uncontested U.S. primacy. America emerged from the Cold War with clear economic dominance, possessing nearly 25 percent of global GDP in 1994. It controlled nearly 40 percent of world defense outlays, along with utterly unrivaled advantages in global power-projection capabilities. Crucially, these capabilities not only gave Washington an enormous lead over any geopolitical competitor; they also provided the ability—as Saddam Hussein discovered in 1991—to marshal decisive military might in virtually all the key strategic regions around the world. In the nineteenth century, the British ship of the line symbolized London’s global primacy; in the late twentieth century, the American carrier strike group symbolized an even more imposing preeminence.

Nor was American dominance purely unilateral, because it was powerfully accentuated by the strengths of the broader Western coalition. In 1994, America’s treaty allies in Europe and the Asia-Pacific accounted for 47 percent of global GDP and 35 percent of global military spending, giving Washington and its closest friends upward of 70 percent of global economic power and military spending. Throughout the post–Cold War era, allied involvement thus lent added force to U.S. diplomacy on key issues of international order; from the Gulf War to the war in Afghanistan, allied contributions reinforced America’s ability to project military power overseas. This was no balance of power; it was one of the most pronounced imbalances the world had ever seen.

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