How did North America's largest city disappear? The Mysterious Collapse of Cahokia

How did North America's largest city disappear? The Mysterious Collapse of Cahokia Wikipedia

Four centuries before Columbus reached the western hemisphere, Cahokia was a prosperous pre-American city with a population similar to London’s. In fact, it was probably the largest North American city north of Mexico at that time. While Cahokia was a major population centre around AD1050, by 1350 it was largely abandoned by its people – and, even today, no one is sure why.