<prompt> Bhala okuqhubekayo kwalesi sigaba - Kusukela ngo-1963 kuya ku-1974, izinhlangano zezobunhloli zokuphepha zabhekana nochungechunge lwezenzakalo zezombangazwe zasekhaya nezangaphandle. Ekhaya, kwakukhona ukungezwani kwezombusazwe ngaphambi nangemva kwe-Brioni Plenum 1966, ukuqhuma kwama-liberal kanye nemibhikisho emikhulu yabafundi abangakwesobunxele eBelgrade ngo-1968, Hrvatsko proljeće i-Croatian Spring noma MASPOK ukunyakaza kwabantu eCroatia ngo-1971, ukuhlasela kobuzwe kweqembu le-Bugojno endaweni yaseRaduša 1972, nokuvuselelwa kobuzwe emazweni aseYugoslavia. Isenzakalo esibaluleke kakhulu phesheya kwakuwukuhlaselwa  <response>: amabutho eSivumelwano SaseWarsaw angena eCzechoslovakia ngo-1968. 