free or enslaved had "no rights which a white man was bound to respect . Scott , who claimed that he was freed when his master took him to a northern state which did not allow slavery , saw his petition rejected . Moreover, the Court ruled that southern slave owners could take their slaves- their property.
Over the period of the Atlantic Slave Trade, from approximately 1526 to 1867, some 12.5 million slaves had been shipped from Africa, and 10.7 million had arrived in the Americas.
The first Africans forced to work in the New World left from Europe at the beginning of the sixteenth century, not from Africa. The first slave voyage direct from Africa to the Americas probably sailed in 1526.
cotton gin / slavery
The volume of slaves carried off from Africa reached thirty thousand per year in the 1690s and eighty-five thousand per year a century later. More than eight out of ten Africans forced into the slave trade made their journeys in the century and a half after 1700.