Claim: During the Cold War, the United States was a power in the Western Bloc.
Evidence: 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.
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-.