TY JOUR TI THE FORM OF STATE STRUCTURE OF THE USSR AND ITS POLITICAL AND LEGAL NATURE KW empire KW federalism KW confederalism KW unitarianism KW revolution KW geopolitics KW civilizational mis sion KW center and periphery KW socialism JO Bulletin of Ufa Law Institute of the Ministry of Internal Affairs of Russia AU Grachev, N.I. PY 2022 IS 2022 PB Ufa Law Institute of the Ministry of Internal Affairs of Russia