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Pakistan
World & History
Ibn Khaldun wrote it in 1377 at a castle in present-day Algeria as the introduction to his world history, Kitab al-Ibar. He explains how dynasties rise through strong group solidarity (asabiyyah), grow rich and soft, and fall within about three generations. He also discusses economics, taxation and the effect of geography on society.
Introduction to his world history; a founding work of sociology, historiography and economics, known for the idea of 'asabiyyah' (group solidarity).