<prompt> Bhala okuqhubekayo kwalesi sigaba - Ekuqaleni, iNyakatho yeVietnam eyayibuswa amaKhomanisi yayiyisitha esiqinile seKhmer Rouge ngesikhathi ilwa neRiphabhuliki yaseKhmer kaLon Nol ngesikhathi sempi yombango yango-1970 kuya ku-1975. Kwaba kuphela ngemva kokuba amaKhmer Rouge ethathe amandla lapho izinto zaqala ukuba zimbi, lapho ngo-May 1, 1975 ngosuku olulandela ukuwa kweSaigon  <response>: , amasosha aseKhmer Rouge ahlasela iziqhingi zasePhu Quoc naseTho Chau, abulala izakhamuzi zaseVietnam ezingaphezu kwamakhulu amahlanu; ngemuva kokuhlaselwa, iziqhingi zaphinde zabanjwa ngokushesha yiHanoi. Ngisho nangalesosikhathi, ukusabela kokuqala kwamaVietnam kwakungacacile, futhi kwathatha isikhathi eside ukuba iVietnam isabele ngamandla, ngoba umfutho wokuqala kwakuwukuxazulula izindaba ngaphakathi emkhakheni womkhaya. 