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
Mikhail Gorbachev to reduce party control of the government apparatus. He proposed a new executive in the form of a presidential system, as well as a new legislative element, to be called the Congress of People's Deputies. Elections to the Congress of People's Deputies were held throughout the Soviet Union in March and April 1989. This was the first free election in the Soviet Union since 1917. Gorbachev became Chairman of the Supreme Soviet (or head of state) on 25 May 1989. On 15 March 1990, Gorbachev was elected as the first executive President of the Soviet Union with 59% of the