Ever since the end of the Cold War, the overwhelming power of the U.S. military has been the central fact of international politics. However, in three crucial regions—Europe, the Middle East and East Asia—America’s rivals have begun to test its resolve to use this power. Faced with serious security challenges in all three regions, the United States has to consider when and whether to push back—while its allies watch nervously, largely from the sidelines.

Read Here – The National Interest