<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-1968, lapho umshisekeli wezinguquko uAlexander Dubček emiswa esikhundleni esibalulekile sokuba uNobhala Wokuqala weQembu LamaKhomanisi aseCzechoslovakia, kwaba nenkathi emfushane yokukhululwa kwezombusazwe eyaziwa ngokuthi iPrague Spring. Ephendula, ngemva kokwehluleka ukuphoqa abaholi baseCzechoslovakia ukuba bashintshe inkambo, amanye amalungu amahlanu eSivumelwano SaseWarsaw ahlasela  <response>: . futhi. Amathangi aseSoviet angena eCzechoslovakia ngobusuku buka-August 20 kuya ku-21, 1968. Unobhala-jikelele weSoviet Communist Party uLeonid Brezhnev wayebheka lokhu kungenelela njengokubalulekile ekulondolozweni kwesimiso seSoviet, sobusoshiyali futhi wafunga ukungenelela kunoma yisiphi isimo esasifuna ukufaka isimiso sikaMarx noLenin esikhundleni saso. 