Factories.
It got to the point that the Dutch stopped their slave trade (1814) well before the southerners stopped using slaves. The masters weren't getting replacements from Africa but they had no problem making more hands in America as needed.
If I believe a Chris Rock comedy routine, the masters would pair off couples to breed depending on desirable traits like size and obedience. So I suppose infidelity was a real problem that some Mongo with a whip would compare themself to quality control.
It got to the point that the Dutch stopped their slave trade (1814) well before the southerners stopped using slaves. The masters weren't getting replacements from Africa but they had no problem making more hands in America as needed.
If I believe a Chris Rock comedy routine, the masters would pair off couples to breed depending on desirable traits like size and obedience. So I suppose infidelity was a real problem that some Mongo with a whip would compare themself to quality control.