Republics of the Soviet Union Republics of the Soviet Union The Republics of the Union of Soviet Socialist Republics or the Union Republics () of the Union of Soviet Socialist Republics (USSR) were ethnically based proto-states that were subordinated directly to the Government of the USSR. For most of its history, the USSR was a highly centralized state; the decentralization reforms during the era of "Perestroika" ("Restructuring") and "Glasnost" ("Openness") conducted by Mikhail Gorbachev are cited as one of the factors which led to the dissolution of the USSR in 1991. According to Article 76 of the 1977 Soviet Constitution, a Union Republic was a
Communist Party of the Soviet Union and effective control of the party organization remained in Gorbachev's control. Chernenko died on 10 March 1985 and was succeeded in office by Gorbachev on 11 March 1985. Gorbachev was elected CPSU General Secretary on 11 March 1985, one day after Chernenko's death. When he acceded, the Soviet Union was stagnating but was stable and may have continued largely unchanged into the 21st century if not for Gorbachev's reforms. Gorbachev conducted a significant personnel reshuffling of the CPSU leadership, forcing old party conservatives out of office. In 1985 and early 1986, the new party leadership called for "uskoreniye" (). Gorbachev