<prompt> Nyorai mberi kweiyi ndima - Dũng akaronga uye akatungamira 1975 Spring Offensive, kurwisa kwekupedzisira kwePAVN kwakakunda kuzvidziviriro zveSouth Vietnamese ndokutora Saigon  <response>: muna 1975. Akatungamirirawo kupindirwa kweVietnam neKhmer Rouge muCambodia uye kurwisana kwemuganhu nePeoples Republic of China muna 1979. Akagadzwa kuva gurukota rezvekudzivirirwa muna 1980. Akasiya basa muna Zvita 1986 pa6th National Congress yeCommunist Party yeVietnam. 