Since World War II, America’s network of European and Asian alliances has underwritten security and prosperity around the globe. While these alliances have been a source of strategic and political advantage for the better part of the past sixty years, they have not always been militarily essential. That is rapidly changing. The United States is confronted by revisionist powers across Eurasia (Russia, Iran and China), as well as the continuing threats posed by Islamic extremism, the almost certainly protracted aftershocks of the Jasmine Revolutions, and the potential for unrest in nuclear-armed states like North Korea and Pakistan. Furthermore, all of this comes at a time of enormous fiscal constraint at home. What used to be a U.S. preference for working in concert with others is fast becoming an imperative.
Yet at the very moment when the United States needs allies more than ever, many of America’s present alliances are at their weakest points in decades. The question for policymakers is simple enough: How can America’s alliances and security relationships be a continuing source of advantage in changed circumstances?
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