Pedzisa mutsara unotevera: Bato racho rakabetsera Mossadegh kutanga National Front, kuita kuti indasitiri yamafuta ive yenyika uye kusvika musimba. Dzimwe nhengo dzaiva muhofisi panguva yehurumende yaMosaddegh. Yakadzvinyirirwa zvichitevera
British-American yakatsigira coup d'état muna 1953 uye yakarambidzwa muna 1957, pamusana pokuti yakanga iine mubatanidzwa neTudeh Party yeIran makore gumi akanga apfuura. Yakamutsiridzwa muna 1960 uye yakashingaira mukubatsira National Front (II), iyo yakaparadzwa muna 1963 uye yakamanikidzwa kurarama muchivande. Iran Party yakaita kongiresi muna 1964. Hazvina zvakawanda zvinozivikanwa pamusoro pemibato yebato iri pakati pa1964 nepakati pemakore ekuma1970 kunze kwemisangano isina kurongwa uye kuchinjana pfungwa. Muna 1977, pamwe chete neLeague of Socialists neNation Party yakamutsidzira National Front (IV) ndokurayira kuti Ruhollah Khomeini adzokere kuIran. Mukutanga kwa1979, ipapo munyori mukuru webato, Shapour Bakhtiar akagadzwa semutungamiri wehurumende yekupedzisira naShah uye akabatanidza nhengo mbiri dzeIran Party muhurumende yake. Bato racho zvisinei rakaramba kugamuchira kwake nzvimbo yacho, rakamudzinga ndokumuti "mutengesi". Bato racho harina kuita basa rinokosha munhandare yezvematongerwe enyika yeIran pashure pa1979 uye rakakurumidza kurambidzwa.