When people from the Old World came across the Atlantic and landed in the New World, they may have at first imagined that they had stumbled upon a vast geographic frontier, but they hadn’t. In 1491, the New World is estimated to have had between fifty million and one hundred million people in it, with uncountable distinct cultures and languages. Some people were living in city-states, among astronomers, craftsmen, and scribes; others as hunter-gatherers.1 To Francisco Pizarro, the Inca Empire was a transfer of resource frontier. To the instigators of the rubber boom in western Amazonia at the
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