Mikhail Gorbachev Nikita Khrushchev. He was appointed the First Party Secretary of the Stavropol Regional Committee in 1970, in which position he oversaw construction of the Great Stavropol Canal. In 1974 he moved to Moscow to become First Secretary to the Supreme Soviet and in 1979 became a candidate member of the Politburo. Within three years of the death of Soviet leader Leonid Brezhnev, following the brief "interregna" of Yuri Andropov and Konstantin Chernenko, Gorbachev was elected general secretary by the Politburo in 1985. Although committed to preserving the Soviet state and to its socialist ideals, Gorbachev believed significant reform was necessary
Soviet Union himself. Tensions grew between the union-wide authorities under Gorbachev, reformists led in Russia by Boris Yeltsin and controlling the newly elected Supreme Soviet of the Russian SFSR, and communist hardliners. On 19–21 August 1991, a group of hardliners staged an abortive coup attempt. Following the failed coup, the State Council of the Soviet Union became the highest organ of state power "in the period of transition". Gorbachev resigned as General Secretary, only remaining President for the final months of the existence of the USSR. The judiciary was not independent of the other branches of government. The Supreme Court supervised the