 Bhutto's ouster was followed a half year later by the Iranian Revolution and subsequent overthrow of the Shah of Iran.The Supreme Leader of the newly-established Islamic Republic of Iran, Ruhollah Khomeini, withdrew the country from CENTO and violently ended its association with the United States.The religiously influenced military dictatorship of Zia-ul-Haq and the Islamic Revolution in Iran suited one another well enough, and as such there was no major diplomatic and political cleavage between them.