Where slavery begin
read robin blackburn, the answer is in there.
It was the South that accepted slavery as their culture, but importing slaves came through different areas of the States. New Jersey was against slavery! There were indeed slaves in NJ.
War
in slavery
I believe slavery was present until the Civil War came around. Then New England was a safe haven for slaves. During the American Revolution period, slavery was present everywhere.
Virginia, in 1619.
The new world
Slavery ended when Moroccan forces defeat Songhai army in 1591
Popular Sovereigntypopular sovereignty
Sugar
Sugar