Kammala wannan jumlar: Sanannen shugaban Khmer Rouge, Pol Pot, ya yi aiki a matsayin wani ɓangare na brigade na kasa da kasa da ke gina hanyoyi a Yugoslavia a farkon shekarun 1950. A lokacin, Yugoslavia ta rabu da yankin Tarayyar Soviet, kuma Pol Pot ya yi matukar burgewa da yawan aikin jama'a da kuma al'adun al'adu na karamar kasar kwaminisanci. Ya tuna da tafiyar da farin ciki, kuma, da zarar ya sami iko, ya nemi inganta dangantakar tsakanin Yugoslavia da Kampuchea. Josip Tito, Shugaban Yugoslavia, ya ziyarci Kambodiya sau da yawa a cikin 1960s da 70s. Duk da sha'awar Pol Pot ga Tito da manufofinsa, Tito ya soki Khmer Rouge kuma shawarar da ba za ta goyi bayan mulkin ba ta haifar da tashin hankali tsakanin Belgrade da Moscow a shekarar 1979. Duk da haka, duk da ƙiyayya ga tsarin Khmer Rouge, Tito bai goyi bayan mulkin Khmer Rouge ba.
Harin da Vietnam ta kai Kambodiya. A lokacin Yakin Cacar Baki da kuma kafin rushewar Yugoslavia, al'ummomin suna da ofisoshin jakadanci a cikin manyan biranen juna.