The theory of relation is based on power politics. It gives importance to power and is related to achieving peace through power. Morgenthau believes the realism perspective is based upon a human's intrinsic nature. Thomas Hobbes in 'reductionisms as purpose' claim that inherently humans are bad. Power optimization is driving political realism and the balance of power maintains it. It is supposed that in the global system, the conflict between states is characterized by anarchy. In essence, human nature is anarchic, due to that everyone is in competition. In this study, the researchers attempt to throw light on different features of realism. It is discussed that the international system is more or less anarchical, as there is undisclosed competition every time. It is delineated that leaders are mainly involved in power politics After 9/11, George W. Bush, in order to gain power without consulting other countries chose to go for the Iraq War.