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Massive Mississippi Floods May Have Wiped Out Ancient Civilization
05th May, 2015
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Massive floods in the Mississippi River valley may have wiped out an ancient civilization, according to a new study.
Cahokia were the largest prehistoric settlement in the Americas north of Mexico until the year 1200 AD, when the once thriving population began to decline, ultimately disappearing by 1400. Many factors have been blamed for their decline - from extreme droughts to social unrest - but new findings suggest the rise and fall of rivers contributed to the ultimate downfall of the Cahokia civilization.

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