Exceptionalism and Iran’s Foreign Policy

Why are there different approaches to foreign policy in Iran, given that the source of all these approaches lies in the Islamic Revolution? Why are there disagreements in Iran’s foreign policy discourses on issues such as relations with the United States, Iran’s claim in the international economy, how nuclear dispute resolutions are handled, and the role of international organizations, while all foreign policy decision-makers operate within the framework of the Islamic Republic? According to this book, the answer to this question lies in exceptionalism.