General Secretary of the Communist Party of the Soviet Union more than determine party membership composition. Stalin, its first incumbent, used the principles of democratic centralism to transform his office into that of party leader, and later leader of the Soviet Union. In 1934, the 17th Party Congress refrained from formally re-electing Stalin as General Secretary. However, Stalin was re-elected into all other positions and remained leader of the party without diminishment. In the 1950s, Stalin increasingly withdrew from Secretariat business, leaving the supervision of the body to Georgy Malenkov, possibly to test him as a potential successor. In October 1952, at the 19th Party Congress, Stalin restructured the party's
History of the Soviet Union devastated much of the USSR with about one out of every three World War II deaths representing a citizen of the Soviet Union. After World War II the Soviet Union's armies occupied Central and Eastern Europe, where socialist governments took power. By 1949 the Cold War had started between the Western Bloc and the Eastern (Soviet) Bloc, with the Warsaw Pact pitched against NATO in Europe. After 1945 Stalin did not directly engage in any wars. Stalin continued his totalitarian rule until his death in 1953. In the USSR, the eleven-year period from the death of Joseph Stalin (1953) to