Traditionally, American Indians are believed to have arrived by frozen land bridge from Siberia, but recent finds show people arrived millennia earlier, apparently by sea from Asia. Old sedentary cultures succeeded in South and Central America, based on potatoes (Inca empire) viz. corn (Aztec and Mayans), but their North American counterparts had to abandon their cities after exhausting natural resources, notably wood. The European arrival was fatal for the nomad cultures too, seizing land and killing their staple food, the buffalo, while immigrants and home countries benefited over time from corp exchanges. Yellowstone stands for the stunning power of nature, with the super-volcano as recent find, by satellite, proving an apocalyptic eruption like twice before may once practically erase life from the continent.
—KGF Vissers