<prompt> Qedela umusho olandelayo: Dubček yifilimu yomlando yaseSlovak yango-2018 esekwe empilweni ka-Alexander Dubček, usopolitiki waseSlovak owayekhonza njengoNobhala Wokuqala we-Presidium yeKomidi Elikhulu le-Communist Party of Czechoslovakia KSČ futhi owazama ukuguqula uhulumeni wobukhomanisi ngesikhathi sePrague Spring kodwa waphoqeleka ukuba ashiye phansi ngemuva kwe  <response>: Ukuhlasela kweSivumelwano SaseWarsaw ngo-August 1968. 