900 Years Ago, One of the Largest Civilizations in the World Was Abandoned – Archaeologists Have Now Discovered New Clues
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900 Years Ago, One of the Largest Civilizations in the World Was Abandoned – Archaeologists Have Now Discovered New Clues

The Cahokia Mounds, once a thriving settlement near present-day St. Louis, was abandoned by 1400, leaving behind a mystery. Recent research challenges the long-held belief...