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The Importance Of Realism In International Relations

Decent Essays

Realism is one of the main theories within International Relations. It provides the view that all actors within the international system act on their own self-interests to gain power. This essay intends to discuss its usefulness as a theory and the reasons for and against it being used to analyse world affairs. Firstly, it shall discuss how the theory is advantageous as it explains how shifts in the balance of power can lead to conflict however it is unable to explain why the distribution of power changes. Second, it will portray how it is useful because states do not need to be labelled as good or bad to fit the theory although it disregards the idea of Natural law and gives a cynical view of human morality. Finally, it will suggest that as the theory is very parsimonious, it can be applied to multiple situations within the world system. On the other hand, it will be said that it fails to look at individuals within a state and their influence on the actions of the state. These costs and benefits will be conveyed through the current tensions between the USA and North Korea to link the theory in with current world politics.
It can be said that in the case of the USA and North Korea, the current tensions developed further because of the start of nuclear weapons programmes in North Korea which created panic in US government (Pevehouse and Goldstein, 2017, p. 31). Realism highlights how this shift in the balance of power threatens US security as they are no longer a more

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