WORLD HISTORY

Detailed explanation-1: -The Warsaw Pact was a collective defence treaty established by the Soviet Union and seven other Soviet satellite states in Central and Eastern Europe: Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland and Romania (Albania withdrew in 1968).

Detailed explanation-2: -The Eastern Bloc, also known as the Communist Bloc, the Socialist Bloc, and the Soviet Bloc, was the group of socialist states of Central and Eastern Europe, East Asia, Southeast Asia, Africa, and Latin America under the influence of the Soviet Union that existed during the Cold War (1947–1991).

Detailed explanation-3: -After World War Two a Cold War developed between the capitalist Western countries and the Communist countries of the Eastern Bloc. Soviet leader Joseph Stalin wanted a buffer zone of friendly Communist countries to protect the USSR from further attack in the future.

Detailed explanation-4: -It became more important for the Soviet Union to keep its satellite nations under its control, so it created three organizations to bind the satellites together politically, economically, and militarily. In 1947, the Soviet Union organized Cominform, the Communist Information Bureau.

Detailed explanation-5: -Eastern bloc, group of eastern European countries that were aligned militarily, politically, economically, and culturally with the Soviet Union approximately from 1945 to 1990.