22 September 2021

American Power After Afghanistan

Jessica T. Mathews

For 30 years, since the end of the Cold War, the United States has searched unsuccessfully for a purpose for its now unrivaled global power. No other country (or combination of countries in the European Union) equals its combined military, economic, and political strength. Yet the United States has used this rare moment in history poorly, trying and discarding various rationales for a global role after experience has revealed their inutility or unpopularity. It first tried the all-encompassing role of “indispensable nation,” then the role of shaper and main pillar of a liberal world order, principal prosecutor of a global “war on terror,” protector and promoter of democratic governments (including regime change by force), and, finally, leader of the democratic side in a global contest between democratic and authoritarian governments. Throughout, Washington grew more and more reliant on the use of military power and, through lack of use, lost confidence in concerted diplomacy as a means of dealing with adversaries.

The existential threat of the Cold War had masked deep disagreements about the United States’ appropriate global posture. Ever since, debate has veered inconclusively between those who believe that U.S. interests are global and demand aggressive, often unilateral, leadership on.

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