Critical Review: Bradley A. Thayer, Bring in Darwin: Evolutionary theory, Realism, and International Relations

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In Thayer’s article, he makes an attempt to incorporate Darwin’s Evolutionary Theory into the international security studies. The article tries to answer a central question that what are the implications of Evolutionary theory to realist theory of international security and in what way can peace be achieved if warfare is part of human nature? This paper agrees with Thayer that Evolutionary theory provides a scientific theory foundation for realism and is an ultimate cause for war and ethnic conflicts, as well as the assumption that origin of war is intrinsic in human nature as part of their evolution history. This paper will also suggest that a balanced structure of the world could contribute to temporary peace. But it need to be noted that the theory is also limited since Evolution theory could not fully explain many other forms of security problems like civil wars and terrorism. To review Thayer’s article, first, the paper will briefly explain how Evolutionary theory act as an ultimate cause for realist theory in terms of two human traits: egoism and domination. Following that, the paper will discuss the implications of Evolutionary theory to international relations. This paper will also evaluate the theory by comparing it with Waltz’s and Gleditsch’s theory on peace and war. Finally, it will conclude the paper by summarizing main points.

Thayer seeks to understand Evolutionary theory as the ultimate cause of realism. In Evolutionary theory, humans like other animals have to evolve to survive and reproduce from natural selection, which develops two basic human traits: egoism and dominance (Thayer, 2000, p.130). In order to survive and for fitness, an organism tends to places its security over the others and according to Evoluti...

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...dens the understanding of international relations and correspondingly broadens the understanding of security. Built on Thayer’s and Waltz’s theory, the paper suggests that structure of the international system is central to international security and to achieve peace, suitable strategies are necessary to balance the power relations. While it should not be ignored that the Evolution theory still falls within realism realm with many other forms of complex security problems unexplained.

Reference:

Gleditsch, N. P. (1999). Peace and democracy. Encyclopedia of Violence,

Peace and Conflict, 2, 643-652.

Thayer, B. A. (2000). Bring to darwin: evolutionary theory, realism and

international relations. International Security, 25(2), 124-151.

Waltz, K. N. (1988). The origins of war in neorealist theory. Journal of

Interdisciplinary History, XVIII(4), 615-628.

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