 Indonesia yakawana rusununguko kubva kuUmambo hweNetherlands muna 1949 pashure pokunge hurumende iyi yakundikana kudzorera utongi hwekoloni. Sezvataurwa pamusoro apa, Indonesia yaidawo nzvimbo ine simba munharaunda iyo yaigona kuderedzwa nokugadzirwa kweMalaysia yakabatana. Netherlands yakachengeta rutivi rwayo rweNew Guinea rwakabva muDutch East Indies yapfuura, asi Indonesia yakatyisidzira kuirwisa nokuibatanidza. Kuvhota kunofungidzirwa kuti kwakaitwa pasi peUN yakatsigirwa neChiito cheSarudzo Yokusununguka kubvumira vagari veWest New Guinea kusarudza mugumo wavo, kunyange zvazvo vakawanda vachikakavadzana nezvokwadi yacho. Gare gare, Portugal yakasiya kudzora East Timor muna 1975, panguva iyo Indonesia yakakurumidza kuipinda ndokuibatanidza. 