![]() How accurate, well-supported, and well-regarded is this book? There are other factors, but it's at least a well-written book, and superficially plausible. Wheat is a better grain than corn, in terms of nutrition supplied per unit effort. ![]() Eurasia extends more east-west, and America more north-south, as does Africa. It's easier for a civilization to expand in a roughly east-west direction than a north-south direction, since climate is more similar east-to-west (an example would be the lack of horses in South Africa until imported by sea, since they couldn't go by land through the tse-tse fly zone). Diamond places great importance on diseases in human development, and likens the results of making contact with a more diseased civilization to being digested. This had advantage for animal-powered farming and transportation, as well as infecting the Eurasians with numerous diseases the Americans had no resistance to. ![]() In Eurasia, there were several large domesticated animals, including the cow and horse. It has several explanations for the development of Eurasian civilization rather than American civilization. Jared Diamond wrote a fascinating book that purports to explain, in a very broad way, the development of civilization. ![]()
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