John Mearsheimer is a prominent political scientist known for his work in international relations, particularly his formulation of offensive realism, a branch of structural realism. He argues that the anarchic nature of the international system compels states to seek power and dominance to ensure their survival. Mearsheimer's theories emphasize how great powers are driven by a constant fear of one another, leading them to adopt aggressive strategies, which connects to defensive and offensive approaches in understanding state behavior.
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