<prompt> Qedela umusho olandelayo: UZelezný owazalelwa emndenini wamaJuda, waba sematheni ngo-1968, eneminyaka engu-23 ubudala, lapho esakaza ngokwedelela izithombe zamathangi aseRussia edlula ePrague ngesikhathi  <response>: Ukuhlasela kweCzechoslovakia okwenziwa iWarsaw Pact. 