According to realists order in international relations can be achieved through a Balance of Power.
Also known as political realism it is a view of international politics that emphasizes aspects of competition and conflict. It usually contrasts with idealism and liberalism, which tend to emphasize collaboration. Not all leaders regardless of political persuasion, recognize this as they try to manage national affairs to survive in a competitive environment.
Finally, the state lives in anarchy. In other words, there is no international responsible person. Realism including neorealism focuses on persistent patterns of interaction in an international system without centralized political authority. This anarchy means that the logic of international politics often differs from domestic politics which is regulated by sovereigns.
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