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
History of the Soviet Union (1927–1953) constrained but where Communist parties enjoyed widespread appeal. In response, the United States sustained a massive anti-communist ideological offensive. The United States aimed to contain communism through both aggressive diplomacy and interventionist policies. In retrospect, this initiative appears largely successful: Washington brandished its role as the leader of the "Free World" at least as effectively as the Soviet Union brandished its position as the leader of the "progressive" and "anti-imperialist" camp. In 1950, the Soviet Union protested against the fact that the Chinese seat at the United Nations Security Council was held by the Nationalist government of China, and boycotted