Secretariat of the Communist Party of the Soviet Union the CPSU, who was also a Politburo member, was the leader of the Secretariat and of the Party. Dual membership in the Secretariat and the Politburo was in practice reserved for two or three very senior members of the Soviet leadership, and in the post-Stalin era (after March 1953) was a stepping-stone to ultimate power. The last five Soviet leaders (Nikita Khrushchev, Leonid Brezhnev, Yuri Andropov, Konstantin Chernenko and Mikhail Gorbachev) were all senior Secretaries before becoming First or General Secretaries. Additionally, Georgy Malenkov was briefly reckoned as the leader of the Party for a week after Stalin's death by
Politics of the Soviet Union the Soviet of the Union and the Soviet of Nationalities; both chambers had equal rights. The Soviet of the Union and the Soviet of Nationalities had an equal number of deputies. The Soviet of the Union was elected by constituencies with equal populations; the Soviet of Nationalities was elected on the basis of the following representation: 32 deputies from each Union Republic, 11 deputies from each Autonomous Republic, five deputies from each Autonomous Region, and one deputy from each Autonomous Area. The Soviet of the Union and the Soviet of Nationalities (upon submission by the elected credentials commissions) had the