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1,000 Years Ago, Corn Made This Society Big. Then, A Changing Climate Destroyed It

1,000 Years Ago, Corn Made This Society Big. Then, A Changing Climate Destroyed It

NPR - Angus Chen

About a 15-minute drive east of St. Louis is a complex of earthen mounds that once supported a prehistoric city of thousands. For a couple of hundred years, the city, called Cahokia, and several smaller city-states like it flourished in the Mississippi River Valley. But by the time European …

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