Throughout the latter half of the Twentieth Century, the United States and Western Europe seemed the staunchest of allies, united in NATO in defense against the common threat of the Soviet Union. With the end of the cold war and the loss of that common enemy, however, signs of emerging tensions have appeared in the friendship between America and Europe. How serious are the spats between Europe and the United States over issues such as the International Criminal Court, the conflict in the Middle East, and the U.S. conduct of the war on terrorism? With the formation of the European Union, Europe has become an economic rival to the United States. Will it become a political and military rival as well?