Rubuta ci gaba don wannan sakin layi - Ba duk gyare-gyare ba ne jagorancin Soviet ya goyi bayan, duk da haka. Alexander Dubček 'yanci na siyasa da tattalin arziki a Jamhuriyar Socialist ta Czechoslovak ya haifar da mamayewar Soviet da aka jagoranci kasar
da kasashen Warsaw Pact 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: