<prompt> Qedela umusho olandelayo: Ngo-1968, ngemva kwePrague Spring, izwe lalingu-  <response>: yahlaselwa amabutho aseWarsaw Pact iPeoples Republic of Bulgaria, iPeoples Republic of Hungary, iPeoples Republic of Poland, neSoviet Union, ngaphandle kweSocialist Republic of Romania kanye nePeoples Socialist Republic of Albania ngo-1968, kwaqeda inkathi yenkululeko ngaphansi kobuholi buka-Alexander Dubček. Kwabulawa izakhamuzi zaseCzechoslovakia ezingu-137 kwathi ezingu-500 zalimala kanzima phakathi nalokhu kuhlasela. 