Tuhia he haere tonu mo tenei whitianga - I te tau 1950 i akiaki te tono a te iwi i te pooti i te Majlis ki te whakamanatanga i te umanga hinu. I te tau i muri mai, i hangaia e te kawanatanga o te Pirimia Mohammad Mossadeq te National Iranian Oil Company (NIOC). Ko te 1953 coup d'état
i arahina e ngā tari matauranga o Ingarangi me U.S. i whakakahoretia te kāwanatanga o Mossadeq, ā, i whakatū i te huarahi mō tētahi whakaaetanga hinu hou. I te tau 1954, he kirimana hou i wehewehe i nga hua i waenga i te NIOC me te roopu tini whenua kua whakakapi i te AIOC. I te tau 1973 i hainatia e Iran he whakaaetanga hou mo te 20 tau me te roopu.