Much of the focus of Realist theories on international politics has been on politics between the great powers. Most Realists are quite explicit about this bias. Both Kenneth N. Waltz, the father of Neorealism, and John J. Mearsheimer, the leading proponent of offensive Realism, have argued that a theory of international politics has to be written concentrating on the great powers because they affect other states and the international system far more than any other actors in the system.1 This utilitarian bias may have been understandable for their purpose, which was to write a general theory of international politics, but it is not particularly useful in trying to explain international politics within regions.
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机译：现实主义理论对国际政治的关注主要集中在大国之间的政治上。大多数现实主义者对此偏见非常明确。新现实主义之父肯尼斯·N·华尔兹（Kenneth N. Waltz）和进攻性现实主义的主要支持者约翰·J·米尔斯海默（John J. Mearsheimer）都认为，必须撰写国际政治理论，着眼于大国，因为它们影响其他国家和国际体系这种功利主义偏见可能是出于他们的目的而可以理解的，目的是写国际政治的一般理论，但在试图解释区域内的国际政治方面并不是特别有用。
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