In supporting his thesis, Diamond argues that the gaps in power and technology between human societies originate primarily in environmental differences, which are amplified by various positive feedback loops. When cultural or genetic differences have favored Eurasians — e.g., written language or the development among Eurasians of resistance to endemic diseases — these advantages occurred because of the influence of geography on societies and cultures; not because of genomes.
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Books âť± Guns, Germs, and Steel.


