Anthropologists mapped the eight centuries of high birth rates that preceded the collapse of societies in the American Southwest in 1300 A.D. “It was a trap,” said the study’s lead author. “A Malthusian trap but also a violence trap.”
Anthropologists mapped the eight centuries of high birth rates that preceded the collapse of societies in the American Southwest in 1300 a.d. “It was a trap,” said the study’s lead author. “A Malthusian trap but also a violence trap.”