Mezue ahịrịokwu na-esonụ: Dũng haziri ma duzie 1975 Spring Offensive, nke ikpeazụ PAVN na-awakpo nke meriri ndị South Vietnamese nchebe na
weghaara Saigon n'afọ 1975. O duziri mwakpo Vietnam nke Khmer Rouge na Cambodia na esemokwu ókèala ya na ndị mmadụ Republic of China na 1979. A họpụtara ya dịka minista nchekwa n'afọ 1980. Ọ lara ezumike nká na Disemba 1986 na 6th National Congress nke Communist Party nke Vietnam.