In Jared Diamond's wonderful book, "Guns, Germs and Steel," he talks about how it was germs, more than guns and steel, that conquered the new hemisphere -- the Western hemisphere -- that conquered the rest of the world.
No livro maravilhoso de Jared Diamond, "Guns, Germs and Steel", ele explica como foram os germes — mais que as armas e o aço — que conquistaram o novo hemisfério, o hemisfério do oeste, que conquistaram o resto do mundo.