Why didn't Rome rise again? Everywhere else in the world, the appearance of one great empire was marked by their recurrent resurgence, but in Europe it happened only once. Professor Walter Scheidel of Stanford University - the author of numerous outstanding books on Rome and beyond, most recently "The Great Leveler", on the history of economic inequality - argues that this lack of recurring empires is what laid the groundwork for the eventual rise of Europe, the Great Divergence, that underpins the modern world of today.

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