Study on US hegemony Decline due to the Western Think tanks perspective Emphasizing the theories of Fukuyama and Huntington

The decline in the United States began when the United States sought to secure US national interests in a unipolar system and to eliminate the bipolar system by upsetting the balance of power in the world. This study seeks to answer this question if there has been a decline in American hegemony and what are the characteristics of this decline?Using descriptive-analytical method, this study seeks to answer these questions: first, what is the exact meaning and nature of the decline of American hegemony and why and how did this decline occur? Secondly, how would it be be the situation of the world system during the decline of American hegemony? The main hypothesis of this study is that the decline of United States began after the collapse of the Soviet Union and the world system quickly descended from a unipolar to a multipolar world. Although this research is based on the theories of Fukuyama and Huntington, but the theories of other Western thinkers have also been used to answer the questions of this article.