<prompt> Qedela umusho olandelayo: Ngo-12 Ephreli 1967 wenziwa iSekela Lokuqala likaNgqongqoshe Wezokuvikela we-USSR ngesikhathi esifanayo nokuqokwa kuka-Andrei Grechko njengoNgqongqoshe Wezokuvikela kanye noMarshal weSoviet Union, kanti kusukela ngoJulayi walowo nyaka waqhubeka wabamba isikhundla sokuba ngumkhuzi omkhulu wamabutho eSivumelwano SaseWarsaw. Ngalesi sikhundla, waqondisa amalungiselelo ezempi  <response>: Ukuhlasela kweSivumelwano SaseWarsaw eCzechoslovakia ngo-August 1968. 