<prompt> Pedzisa mutsara unotevera: Vakawanda veBắc 54 gare gare vakagara mumapurovhinzi emhenderekedzo yegungwa eBà RịaVũng Tàu ne Bình Thuận uko vakawanda vakaramba vachiredza sezvavaimboita kuMusoro, Dong Nai Province uko vakawanda vakaramba vari mukurima, kana mumaguta eSaigon neBiên Hòa. Biên Hòa yaizova nzvimbo yekudzivirira kwechidiki kune hurumende itsva yeCommunist mumwedzi yakatevera pakarepo.  <response>: kuwira kweSouth Vietnam muna 1975, nemhaka yokuwanda kwevapoteri vaichimbova vaipikisa chiKomonisiti uye vazukuru vavo vakanga vatiza hurumende yechiKomonisiti yeNorth Vietnam muna 1954-1955. 