Analysis of the content of the national security strategy of the United States of America towards the Islamic Republic of Iran (2001-2021)

After World War II, especially after the collapse of the Soviet Union, the United States of America has always claimed supremacy in the international system and has explained its foreign policies based on the national security strategy in every presidential term. On the other hand, the Islamic Republic of Iran, as a regional superpower, has been able to create a new form of regional order with its material and spiritual influence in West Asian countries. The conflict between the interests of the United States and Iran raises the question that the national security strategies of the United States of America during the years 2001-2021 have become in practice what strategies have they turned into in relation to Iran? In response to the proposed hypothesis, "The United States of America, by adopting its aggressive national security strategies towards Iran, is seeking to limit Iran's interests in the international system so that it can increase its interests and finally become the supreme hegemon in The international system should be transformed." After examining the sources of the first category indicators (economic and security strategies) with the method of integrated content analysis (quantitative and qualitative), the results showed: America initially follows the policy of changing Iran's behavior and containment, and then the policy of engagement and pressure And finally, it turned into containment and behavior change, and in order to implement these strategies during this period, it has imposed more and more diverse sanctions against Iran every year