 Indonesia yakawana rutsigiro rwakawanda rwenyika yose rwekutaurirana neNetherlands panguva yeGeneva Summituye Musangano weAsia neAfrica muna 1955, pashure pacho mapepanhau neechechi zveDutch, zvaimbotsigira zvakasimba kuti New Guinea irambe iripo, zvakakurudzira kuunza New Guinea munzvimbo yakanyarara yeUnited Nations Trusteeship. Kunyange zvakadaro, muna 1956, Netherlands yakachinja bumbiro rayo kuti ibatanidze West New Guinea senyika inoumba Humambo hweNetherlands, kunyangwe hazvo hurumende isina kubvisa shanduko ingadai yakatsanangura kuzvitonga senzira yekuda kwehutongi hweDutch pamusoro penharaunda. Mukati meWest New Guinea, Netherlands yakasunungura mapato ezvematongerwe enyika asi yakarambidza mapato anotsigira Indonesia seanoshandura zvinhu. Mukupindura kuomeswa kweNetherlands, chimiro cheIndonesia paNew Guinea chakachinja zvishoma nezvishoma kutaura kuti vanhu veNew Guinea vakatoshandisa kare kodzero yavo yekuzvisarudzira neChiratidzo cheIndonesia Independence muna 1945. Pashure pokuvhota kwechitatu uye kwokupedzisira muUnited Nations General Assembly muna 1957, umo chisarudzo chinokurudzira kurukurirano yeDutch-Indonesian, nechitsigiro chenyika zhinji dzinomirira ruzhinji rwevanhu venyika, chakarambidzwa nemasimba ekoloni, Gurukota rezvekunze kweIndonesia Subandrio akati haizotsvake kugadzirisa West Irian West New Guinea nyaya kuUnited Nations. Kuramwa mabasa kwevanhu vakawanda uye kutorwa kwezvinhu zvisiri pamutemo zvakaputika muIndonesia mukurwisana nemabhizimisi echiDutch muna 1958, zvakarongwa neCommunist Party, mapoka evechiduku nevakwegura izvo zvakatungamirira kuvanhu vechiDutch kutiza nyika. Ukama hwekudyidzana neNetherlands hwakagurwa muna 1960. 