Yes, slavery existed in the United Stats but was ended at the conclusion of the Civil War in 1865.
No
no, slaves were banned in the early 1900's However there are still servants here. You ever heard of Human Trafficking?
Slaves are only allowed to do what their owners allow them to do.
no they didn't
No.
Serfs were barely above slaves themselves. I doubt any serfs ever owned slaves.
Slavery is now illegal in the US. Therefore there should be no slaves in the US today.
There is no evidence that John Hancock ever bought or sold slaves.
no
they had to do what ever their owner says
no they were not.
Africa.