Understanding the Reasons for Transition from Iranian Constitutional State to Authoritarian State: an Analysis in the Framework of Laclau and Mouffe’s Discourse Theory

Throughout the history, formation of constitutional state has been first experience modern in Iran. The change power relations and restriction authoritarian were among most important issues state. current study aims at investigating reasons for transition from Constitutional to an bureaucratic by adopting Laclau Mouffe’s framework political discourse analysis. Research methodology is descriptive-analytical conducted library–based data. results showed that revolution transformed structure traditional state, but failed create a new order. Despite legal provisions such as parliamentary system constitution, was unable exercise its power. co-existence reactionary components Khānins, tribal leaders, populations owners line with elements, intellectuals heterogeneity ruling elites made incapable producing profound politico-social changes. As result, number internal external factors financial crisis, power, imperialist treaty 1907,disillusionment elites, centrifugal forces, insecurity global chaos development neighboring countries, diversity ideological geopolitical points view have Pahlavi failure nation – building process collapse politico-constitutional