>>11583286>Cold climates promote higher IQ and cooperationThe epicenters of civilization were, for 99% of history, close to the tropics. Rome, Mesopotamia, Assyria, Egypt, Greece, India, Judea, China, etc. If anything, cold hinders progress, mildly warm climates are optimal historically. Also, the Aztecs were reaching Ancient Greek level civilization, same with the Incas, but the people in Eastern South America were mostly cannibal hunter-gatherers, despite the climates being almost the same.
