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
Congress of the Communist Party of the Soviet Union all between 1939 and 1952. After the death of Joseph Stalin, the congresses were held every five years. Information on congresses, number of delegates, number of people elected to CCs, party membership, the individual who presented the Political Report and information on when the congress was convened can be found in these sources: "Articles and journals:" Congress of the Communist Party of the Soviet Union The Congress of the Communist Party of the Soviet Union () was the supreme decision-making body of the Communist Party of the Soviet Union. Its meetings served as convention of all party delegates and their