It wasn't "introduced" per se. A majority of the slaves came over with their masters in the 17th and 18th centuries (the slave trade was forbidden in America at that time, the only way slaves were permitted in America, was if they were brought over by their masters.)
The Declaration of Independence came about because of the War for Independence. This affected slavery and changed America forever.
it was introduced in 2012
one way that salvery is differ in the Americas than the west African would be the platiation , because we don't have a large plantation in America
America's FIRST credit card was introduced by "Diner's Club"
Slavery was first introduced to america in jamestown, virginia during 1619.
They were introduced in 1733 from china
13th
freedom
1620
1694
A leperchaun
Horses were introduced to America by Europeans