<P> The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc ( the Soviet Union and its satellite states ) and powers in the Western Bloc ( the United States , its NATO allies and others ) . Historians do not fully agree on the dates , but a common timeframe is the period between 1947 , the year the Truman Doctrine ( a U.S. foreign policy pledging to aid nations threatened by Soviet expansionism ) was announced , and 1991 , the year the Soviet Union collapsed . </P>
<P> The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc ( the Soviet Union and its satellite states ) and powers in the Western Bloc ( the United States , its NATO allies and others ) . Historians do not fully agree on the dates , but a common timeframe is the period between 1947 , the year the Truman Doctrine ( a U.S. foreign policy pledging to aid nations threatened by Soviet expansionism ) was announced , and 1991 , the year the Soviet Union collapsed . </P>
who were the main countries involved in the cold war
who were the main countries involved in the cold war
Soviet Union United States
Soviet Union United States