The Cold War is a period of political tension and military rivalry between the Western powers, led by the United States and its NATO allies, and the Eastern bloc, led by the Soviet Union and its Warsaw Pact allies
Competition between capitalism and communism was initially in Europe but eventually became worldwide, involving countries like Korea, Vietnam, Cuba, Middle East, China, Afghanistan, Africa, South America, Space, and Oceans
After the death of Stalin in 1953, workers in East Berlin started demonstrations demanding greater political and economic freedom, union with West Berlin, and an end to communism and the withdrawal of Soviet troops