<prompt> Qedela lo musho olandelayo: Ngo-1968, lapho umshisekeli wezinguquko uAlexander Dubček emiswa esikhundleni esibalulekile sokuba uNobhala Wokuqala weQembu LamaKhomanisi aseCzechoslovakia, kwaba nenkathi emfushane yokukhululwa kwemibuso eyaziwa ngokuthi iPrague Spring. Ukuphendula, ngemva kokwehluleka ukuphoqelela abaholi baseCzechoslovakia ukuba bashintshe inkambo, amanye amaqembu amahlanu  <response>: amalungu eSivumelwano SaseWarsaw ahlasela. 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. 