During the Cold War, the United States was a power in the Western Bloc.
The end of the Cold War and the dissolution of the Soviet Union in 1991 left the United States as the world 's sole superpower .	superpower	superpower	Cold War	Cold War	dissolution of the Soviet Union	dissolution of the Soviet Union	sole superpower	hyperpower
The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc -LRB- the Soviet Union and its satellite states -RRB- and powers in the Western Bloc -LRB- the United States , its NATO allies and others -RRB- .	Soviet Union	Soviet Union	World War II	World War II	Eastern Bloc	Eastern Bloc	Western Bloc	Western Bloc	United States	United States	NATO	NATO
