Forgotten History: How The New England Colonists Embraced The Slave Trade (Terry Gross, Fresh Air)

American slavery predates the founding of the United States. Wendy Warren, author of New England Bound, says the early colonists imported African slaves and enslaved and exported Native Americans.
Interview:
http://www.npr.org/2016/06/21/482874478/forgotten-history-how-the-new-england-colonists-embraced-the-slave-trade