A map shows the distribution of the slave population in the Southern states of the United States, based on the 1860 census. Library of Congress Geography and Map Division As the 2016 election ...
Some 350,000 or more years ago, the group of hominins that would evolve to become Neanderthals and Denisovans left Africa for Eurasia. A few hundred millennia later, about 60,000 to 70,000 years ago, ...
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