http://www.slate.com/articles/life/the_history_of_american_slavery/2015/06/animated_interactive_of_the_history_of_the_atlantic_slave_trade.html
Animated
 interactive of the history of the Atlantic slave trade.
Usually,
 when we say “American slavery” or the “American slave trade,” we mean the American colonies or, later, the United States. But as we discussed in Episode 2 of Slate’s History of American Slavery Academy, relative to the entire slave trade, North America was
 a bit player. From the trade’s...
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 more...
 The Atlantic Slave Trade in Two Minutes

315 years. 20,528 voyages. Millions of lives.

By Andrew Kahn and Jamelle Bouie