Politics Among Nations

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Politics Among Nations: The Struggle for Power and Peace is a political science book by Hans Morgenthau published in 1948.

The book introduces the concept of political realism, presenting a realist view of power politics. 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]


  • "The statesman must think in terms of the national interest, conceived as power among other powers. The popular mind, unaware of the fine distinctions of the statesman's thinking, reasons more often than not in the simple moralistic and legalistic terms of absolute good and absolute evil."[2]
  • "Realism maintains that universal moral principles cannot be applied to the actions of states (...). The individual may say for himself: "Let justice be done, even if the world must perish", but the state has no right to say so in the name of those who are in its care. (...) While the individual has a moral right to sacrifice himself in defense of such a moral principle, the state has no right to let its moral disapprobation of the infringement of (that moral principle) get in the way of successful political action, itself inspired by the moral principle of national survival."[3]


  1. ^ Mearsheimer, John (2001). The Tragedy of Great Power Politics. W.W. Norton. p. 14.
  2. ^ Hans Morgenthau and Kenneth Thompson, Politics Among Nations, (6th ed.) New York: McGraw-Hill (1985), p. 165.
  3. ^ Morgenthau and Thompson, p. 166.


  • Karen Mingst and Jack Snyder. 2004. Essential Readings in World Politics (2nd edition). p. 48

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