Hans Morgenthau's Politics Among Nations is a classic of political science, built on the firm foundation of Morgenthau's watertight reasoning skills.
The central aim of reasoning is to construct a logical and persuasive argument that carefully organizes and supports its conclusions - often around a central concept or scheme of argumentation.
Morgenthau's subject was international relations - the way in which the world's nations interact, and come into conflict or peace - a .