This concept played a major role in the foreign policy of the United States, which made it exercise globe spanning power in the Cold War period.
The concept also called for a reconciliation of power politics with the idealistic ethics of earlier American discussions about foreign policy.
John Mearsheimer describes it as among the three most influential realist works of international relations of the 20th century.
[1] For example, key concepts "national interest" and "balance of power" are not coherently defined.
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