History of the Soviet Union (1953–64) Nikita Khrushchev as First Secretary of the Central Committee of the Communist Party of the Soviet Union (CPSU) and Georgi Malenkov as Premier of the Soviet Union. However the central figure in the immediate post-Stalin period was the former head of the state security apparatus, Lavrentiy Beria. Stalin had left the Soviet Union in an unenviable state when he died. At least 2.5 million people languished in prison and in labor camps, science and the arts had been subjugated to socialist realism, and agriculture productivity on the whole was meager. The country had only one quarter of the livestock it
Military history of the Soviet Union the Soviet Union actively assisted local communist parties in coming to power. By 1948, seven eastern European countries had communist governments. In this setting, the Cold War emerged from a conflict between Stalin and U.S. President Harry S. Truman over the future of Eastern Europe during the Potsdam Conference in 1945. Truman charged that Stalin had betrayed the agreement made at the Yalta Conference. With Eastern Europe under Red Army occupation, the Soviet Union remained adamant in the face of Truman's attempt to stop Communist expansion, and in 1955 Moscow introduced the Warsaw Pact to counterbalance the Western NATO alliance.