<prompt> Qedela umusho olandelayo:  <response>: Ukuhlasela kweCzechoslovakia kweSivumelwano SaseWarsaw I-Romania yathuthukisa ubudlelwano obuseduze namazwe ayengeyona ingxenye ye-Eastern Bloc. Umbuso kaCeaușescu wakhuthaza ubudlelwano obunobungane neChina neYugoslavia futhi wamelana obala ne-Brezhnev Doctrine. Phakathi kuka-1964 nokufa kukaMongameli Tito ngo-1980, uCeaușescu noTito bahlangana izikhathi ezingaphezu kuka-20. 