Politically during the Cold War the Soviet Union went under many changes. The hydrogen bomb and the first space satellite in were made 1957, which enhanced the Soviet Union's reputation as a world power.
During the war, in the Soviet Union and Eastern Europe many changes occurred politically. After Stalin died, Khrushchev came to power and he started to undo things that Stalin had done. This process became the process of de-Stalinization. He began to eliminate the ruthless policies that Stalin had created. Khrushchev started to loosen controls on literacy and artistic works.
Khrushchev started to undo Stalin's policies, this was called de-Stalinization .