 Nyora kupfuurira kweiyi ndima - Pashure pokupinda kweGermany muUSSRmuna June 1941, Britain neSoviet Union zvakava shamwari. Britain neUSSR vakaona Trans-Iranian Railway yakanga ichangobva kuvhurwa senzira inokwezva yokutakura nayo zvinhu kubva kuPersian Gulf kuenda kuSoviet Union. Britain neUSSR vakashandisa zvibvumirano zvakabviswa mukupindira kwakapfuura kuti vamanikidzire Iran isina kwayakarerekera uye, muchinoitika cheBritain, Iraq kubvumira kushandiswa kwenharaunda yavo nokuda kwezvinangwa zvechiuto nezvokushandisa. Kuwedzera kwokukakavadzana neBritain kwakatungamirira kumisangano inotsigira Germany muTehran. Muna August 1941, nemhaka yokuti Reza Shah akaramba kudzinga vagari vose veGermany ndokuburuka pachena parutivi rwaVasonganiri, Britain neUSSR dzakapinda muIran, dzakasunga mambo ndokumutumira muutapwa kuSouth Africa, dzichitora udzori hwekurukurirano dzeIran nechitima chakadikanwa. 