United States (U.S.) yakavhotera Khmer Rouge neKhmer Rouge-dominated Coalition Government of Democratic Kampuchea (CGDK) kuti ichengetedze chigaro cheCambodia kuUnited Nations (UN) kusvika muna1993, nguva refu mushure mekunge Khmer Rouge yakanyatsobviswa neVietnam panguva yekupinda kweVietnamese muCambodia muna 1979
uye akatonga chikamu chiduku bedzi chenyika. Kwakataurwawo kuti U.S. yakakurudzira hurumende yeChina kupa rutsigiro rwemauto kuKhmer Rouge. Zvisinei, zvirevo zvakabatana kubva kunzvimbo dzinoverengeka, kunyanya Michael Haas, kuti US yakashongedza zvakananga Khmer Rouge kuitira kuti ideredze simba reVietnam neSoviet Union muSoutheast Asia rakapikiswa nehurumende yeUS naNate Thayer, uyo akataura kuti zvishoma, kana paine, rubatsiro rweAmerica rwakasvika kuKhmer Rouge.