Even though your question is kind of vague, I will try to answer it to the fullest. Slaves were not picked or determined, as learnt in History, British people went to Africa and simply took the Negroes as their slaves to earn money for the world economy. So no one exactly, determined who was going to be a slave.
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still going on today
No. Slavery and the slave trade had been going on in Africa for centuries before the Atlantic Slave trade came into being.
clutch slave cylinder.
They get feed by working. If someone wants to keep a slave there going to feed the slave that way they don't die
you determine when thier is going to be a test or if the teacher asks you to.
By going to a garage
A bloody civil war between the slave owning and non-slave owning states (1862-65)
Nothing but the food required to keep them going.
People who help slave escape they will be track down and they are going to kill you or make them one of the slave.
If it's owner dies, it'll probably get sold to another master, after going to the 'slave market'.
The Quaker/ Purtains religion didn't allow for slaves, but the first slave was in 1619 in Jamestown.