It, therefore, opposes the international institutions that tend to increase international cooperation while reducing the need to maximize power. Realism is used by the international relations theorists as a basis and framework for analyzing and determining the security issues of the international system. The anarchical structure of the political systems is considered as an important aspect of guidance in the international political systems where authority is not centralized. They believe that lack of centralization aids in resolving disputes in international political systems. Realism also believes that the security is another interest apart from the power that is aimed at international political systems. Insecurity is seen as the main concern for any state. The security aspect, therefore, is founded on the need to protect states from both domestic as well as foreign enemies. This is enhanced by the state’s efforts to build alliances with the other states.Realism is criticized from the concept that there is anarchical leadership in the international political systems which implies the lack of centralized authority. International politics, therefore, can be criticized as a power battle between states that are all self -interested .there is also a criticism on that the establishment of realism is based on human nature’s pessimistic theory. World Politics in International Relations: Realism.
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