History of the Soviet Union (1964–82) Brezhnev remained wary of any sort of intervention and Kosygin reminded leaders of the consequences of the Soviet suppression of the 1956 Hungarian revolution. In the aftermath of the invasion the Brezhnev Doctrine was introduced; it stated that the Soviet Union had the right to intervene in any socialist country on the road to communism which was deviating from the communist norm of development. The doctrine was condemned by Romania, Albania and Yugoslavia. As a result, the worldwide communist movement became poly-centric, meaning that the Soviet Union lost its role as 'leader' of the world communist movement. In the aftermath
Constitution of the Soviet Union Constitution of the Soviet Union There were three versions of the constitution of the Union of Soviet Socialist Republics, modeled after the 1918 Constitution established by the Russian Soviet Federative Socialist Republic (RSFSR), the immediate predecessor of the Soviet Union. These three constitutions were: These constitutions had most provisions in common. These provisions declared the leadership of the working class and, in the latter two, the leading role of the CPSU in government and society. All the constitutions upheld the forms of social property. Each of the constitutions called for a system of soviets, or councils, to exercise governmental authority.