The internal slave trade in the united states involved the movement of hundreds of thousands of enslaved persons from:

Internal slave trade became a massive business during the 1980s due to the fact that importation of slaves became illegal. Internal slave trade involved moving vast number of slaves from states such as Georgia, Maryland, Delaware, Virginia, Tennessee, Kentucky, South Carolina, North Carolina and District of California to states located in the South of the country.

The correct answer would be : a system of classes that were organized like a pyramidi hope that this you !