Historians primarily focus on proximate causes & they don't test hypotheses. Jared Diamond's comparative method in Guns, Germs & Steel does.
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Replying to @michaelshermer
@michaelshermer@JayMan471 Unfortunately, most of his analysis is without a genetic basis or understanding of recent evolution, thus wrong2 replies 2 retweets 3 likes
Replying to @pyconnor
@pyconnor @JayMan471 @michaelshermer what @JayMan471 said. (^_^)
7:03 AM - 1 Mar 2014
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