Pedzisa mutsara unotevera: Muna 1977, mukati mokuchenesa kwomukati mehurumende yeKhmer Rouge, Hun Sen nevakuru vebato rake vakatiza vachienda kuVietnam. Mukati
Hondo yeCambodian-Vietnamese sezvo Vietnam yakagadzirira kupinda muCambodia, Hun Sen akava mumwe wevatungamiri vehondo yevapanduki yaitsigirwa neVietnamese. Mushure mekukundwa kwehutongi hweKhmer Rouge, Hun Sen akagadzwa seMutevedzeri weMutungamiriri weHurumende uye Gurukota rezvekunze kweVietnamese-yakaiswa &lt;a href="People%27s%20Republic%20of%20Kampuchea"&gt;People's Republic of Kampuchea/State of Cambodia&lt;/a&gt; (PRK/SOC) muna 1979 aine makore makumi maviri nematanhatu. Hurumende yakagadzwa neVietnam yakapa Sen masimba pamusoro peK5 Plan, chirongwa cheKhmer Rouge chekudzivirira chakaona kuunganidzwa kukuru kwevashandi vehurumende mukuvaka zvipingamupinyi uye zvimbambaira, kunyange hazvo huwandu hwekubatanidzwa kwake husina kujeka.