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 temporarily for some of these. Eventually crushing all opponents, the RCP spread Soviet style rule quickly and established itself through all of Russia. Following Lenin's death in 1924, Joseph Stalin, General Secretary of the RCP, became Lenin's successor and continued as leader of the Soviet Union into the 1950s. The history of the Soviet Union between 1927 and 1953 covers the period of the Second World War and of victory against Nazi Germany while the USSR remained under the firm control of Joseph Stalin. Stalin sought to destroy his political rivals while transforming Soviet society with aggressive central planning, in