Rubuta ci gaba ga wannan sakin layi - Rashin haɗa kan ƙasar ta hanyar jefa ƙuri'a ya haifar da Yaƙin Vietnam a shekarar 1955. Sojojin Arewacin Vietnam na Vietnam da Viet Cong na kudancin Vietnam sun yi yaƙi da sojojin Kudancin Vietnam (a lokacin Jamhuriyar Vietnam) kuma abokan haɗin gwiwar su na kwaminisanci, musamman China da Tarayyar Soviet, sun goyi bayansu. Don hana wasu ƙasashe daga zama kwaminisanci a kudu maso gabashin Asiya, Amurka ta shiga cikin rikici tare da sauran sojojin adawa da kwaminisanci daga Koriya ta Kudu, Ostiraliya da Thailand, waɗanda suka goyi bayan Kudancin Vietnam sosai. Rikicin ya bazu zuwa kasashe makwabta kuma Arewacin Vietnam ta goyi bayan Pathet Lao a Laos
da Khmer Rouge a Kambodiya a kan gwamnatocinsu da Amurka ke tallafawa. A shekara ta 1973 Amurka da kawayenta sun tilasta janyewa daga yakin, wannan ya bar Kudancin Vietnam kadai kuma sojojin Arewa sun mamaye shi da sauri.