Investigating the evolution of American security doctrine in West Asia and the strategic requirements of the Islamic Republic of Iran 2009-2022 (case study of Afghanistan)

Middle East with a focus on Afghanistan between 2009-2022. It tells that one of the most important aspects of the foreign policies of the United States is around the Middle East and the West Asian region, and all the strategies and policies announced and America's action regarding the developments in the region and Afghanistan is very important for the situation in the Middle East region, considering the recent developments, i.e. the coming to power of the Taliban in this country. In the following article, library sources are used to collect information. In this regard, by using the theory of realism, we are looking for an answer to the question that the foreign policy doctrine of the United States of America has undergone in the Middle East between 2009-2022 based on the approach of looking to the east and cost management. The changes and evolutions of American security doctrine in West Asia from 2009 to 2022 based on coalition building and cost management in the region, pursuing interests through allies, also due to looking to the East and the costs incurred in the Middle East, witnessed changes including The reduction of military involvement has been the fight against al-Qaeda in Afghanistan and the reduction of all-round involvement in West Asia. As a result, by announcing the new strategic priority of competing with big powers and especially China, it has made a change in its strategy and by focusing on increasing its presence in East Asia, it seeks to optimize its presence in the whole world. The Middle East is not exempt