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
Union of Sovereign States confederation. The New Union Treaty () was a draft treaty that would have replaced the 1922 Treaty on the Creation of the USSR and thus would have replaced the Soviet Union with a new entity named the Union of Sovereign States, an attempt of Mikhail Gorbachev to salvage and reform the Soviet Union. A ceremony of the Russian SFSR signing the treaty was scheduled for 20 August 1991, but was prevented by the August Coup a day earlier. The preparation of this treaty was known as the Novo-Ogarevo process (новоогаревский процесс), named after Novo-Ogaryovo, a governmental estate where the work