The United States was a power in the Western Bloc during the Cold War opposed to the Soviet Union in the Eastern 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
