1300 A.D. social justice issues that causd the American Indian cultural collapse

The Southwestern (Anasazi) and Mississippian (Moundbuilders) cultures came to an abrupt end in 1300 A.D. Chaco Canion was abandoned. In today’s Illinois, what had been a North American city larger than any in Europe at that time was abandoned. Climate change was only part of the cause. Yes, this happened way before Columbus.