Ka cika wannan jumlar: Ba dukan gyare-gyare ba ne shugabancin Soviet ya goyi bayansa. Alexander Dubček 'yanci na siyasa da tattalin arziki a cikin Jamhuriyar Socialist na Czechoslovak ya haifar da jagorancin Soviet
mamayewar kasar da kasashen kungiyar Warsaw Pact suka yi a watan Agustan 1968. Ba duka a cikin jagorancin Soviet sun kasance masu sha'awar shiga tsakani na soja ba; Brezhnev ya kasance mai taka tsantsan game da kowane irin shiga tsakani kuma Kosygin ya tunatar da shugabanni game da sakamakon murkushewar Soviet na juyin juya halin Hungary na 1956. Bayan mamayewar an gabatar da Ka'idar Brezhnev; ya bayyana cewa Tarayyar Soviet na da 'yancin shiga tsakani a kowace kasa ta gurguzu a kan hanyar zuwa gurguzu wanda ke karkata daga ka'idar gurguzu ta ci gaba. Koyarwar ta yi tir da Romania, Albania da Yugoslavia. A sakamakon haka, yunkurin kwaminisanci na duniya ya zama poly-centric, ma'ana cewa Tarayyar Soviet ta rasa matsayinta na'shugaban' yunkurin kwaminisanci na duniya. Bayan mamayewar, Brezhnev ya sake nanata wannan koyarwar a cikin jawabinsa a Babban Taron Fifth na Jam'iyyar Ma'aikata ta Poland (PUWP) a ranar 13 ga Nuwamba, 1968: