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 Politics of the Soviet Union The political system of the Soviet Union took place in a single-party socialist republic framework which was characterized by the superior role of the Communist Party of the Soviet Union (CPSU), the only party permitted by the Constitution. "For information about the government, see Government of the Soviet Union." The Bolsheviks who took power during the October Revolution, the final phase of the Russian Revolution, were the first Communist Party to take power and attempt to apply the Leninist variant of Marxism in a practical way. Although they grew very quickly during the Revolution, from