There are so many different types of theoretical approaches to understand the international political system. Throughout history people have came up with a wide range of theories like realism, liberalism, Marxism, and so forth to make sense of why people do the things they do in politics. This essay will particularly focus on realism. The theory of realism is a belief that power is the central driving force of international relations. Classical realists argue that the desire for power is a matter of nature; all individuals want to be power full and be dominant over others. On the other hand structural realist belief that the international political system (where there is no higher authority) forces states to compete for power in order for them to survive. Survival is the reason for states to compete for power because states cannot be certain of what other states intentions are. Furthermore, states are always trying to take advantage over each other to gain hegemony, because it will allow them to be the only central power, and give them the sense of security. Realism is a theoretical tradition that possesses the most explanatory power because states desire power in order to survive.
Great powers around the world seek hegemony besides having alliance. “The USA did accomplish this in the western hemisphere during the nineteen century” (John, 82). One of the benefits of hegemony is that states will have the ability to do what they want. For instance, when America attacked Iraq in 2002, it did not ask for the international community for assistance. The United States proved that it is a self-help country to other countries that might be potential threat to the country. According to Marsheimer who is an offensive realist, having overwhelming power, and pursuing hegemony is the best way to ensure one’s own survival. Of course, in a world that operates in an anarchy system where there is no central authority, it is very crucial to gain hegemony. States not