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During Khatami's presidency, Iran's foreign policy began a process of moving from confrontation to conciliation. In Khatami's notion of foreign policy, there was no "clash of civilizations", he favoured instead a "Dialogue Among Civilizations". Relations with the US remained marred by mutual suspicion and distrust, but during Khatami's two terms, Tehran increasingly made efforts to play a greater role in the Persian Gulf region and beyond.