Kammala wannan jumla: Sanjabi da Allahyar Saleh sun jagoranci Jam'iyyar Iran, mai kishin kasa, ci gaba, hagu da kuma kungiyar adawa da Soviet, a cikin shekarun 1950. Jam'iyyar ta zama wani ɓangare na National Front. Sanjabi ya kasance mai goyon bayan Mohammad Mossadegh kuma daga baya ya zama ministan ilimi a karkashin Mossadegh a shekarar 1952. Mossadegh ya jagoranci yunkuri don mallakar masana'antar mai da Burtaniya ke sarrafawa a Iran (wanda, bayan mallakar ƙasa, ya zama sananne da Kamfanin Man Fetur na Iran na Kasa) kuma bayan wannan ya cika, ya shiga cikin yaƙi mai zafi da Birtaniyya (wanda a baya ya mallaki masana'antar mai kuma yana son sake tabbatar da iko a kanta) da kuma sojojin da ke tattarawa a kusa da Mohammad Reza Shah (sarkin Iran wanda ya yi adawa da manufofin Mossadegh game da Birtaniyya, da kuma kokarin firaminista na iyakance ikon Shah da tasirinsa). Bayan juyin mulkin CIA-MI6
ya hambarar da Mossadegh a watan Agusta 1953 kuma ya sake kafa Shah a kan kursiyin, Sanjabi, tare da sauran magoya bayan Mossadegh, sun shiga adawa da gwamnatin Shah. Ya shiga cikin kafa Jam'iyyar ta biyu ta kasa a shekarar 1960. Za a ci gaba da aiki da National Front da aka sake kafa har tsawon shekaru biyar, amma a cikin yanayin da ke ci gaba da taɓarɓarewa. Duk da matsakaicin buƙatunsa na gyaran zaɓen da Shah wanda zai "mulki kuma ba mulki ba", Shah ya ƙi jure ayyukan Front. Jami'an tsaronsa masu karfi, musamman sanannen SAVAK, sun yi shiru irin na Sanjabi da sauran 'yan dimokiradiyya masu zaman kansu. Saboda wannan da kuma wasu dalilai daban-daban, an rushe shi a shekara ta 1965. Gabatarwar ta kasance mai barci har zuwa ƙarshen 1970s. An sake farfado da shi a ƙarshen 1977 ta Sanjabi a matsayin shugabanta.