Whakaotihia te rerenga e whai ake nei: I te tau 1950 na te hiahia o te iwi i akiaki 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).
I te tau 1953 i arahina e nga tari matauranga o Ingarangi me te US, i whakakahoretia te kawanatanga o Mossadeq, a, i whakatuwherahia te huarahi mo tetahi kirimana 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.