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
Republics of the Soviet Union but the offer was rejected. During the Soviet–Afghan War, the Soviet Union proposed to annex Northern Afghanistan as its 16th union republic in what was to become the Afghan Soviet Socialist Republic. Several of the Union Republics themselves, most notably Russia, were further subdivided into Autonomous Soviet Socialist Republics (ASSRs). Though administratively part of their respective Union Republics, ASSRs were also established based on ethnic/cultural lines. Under Mikhail Gorbachev, "openness" and "restructuring" were intended to liberalise and open up the Soviet Union. However, they had a number of effects which caused the power of the republics to increase. First, political