How did black slaves become slaves?

Answer:
Well there was lots of slave dealers (all white people) at the time and they would just take people off the streets and put them on a large ship to take abroad! i don't belive this because there wasnt really streets in Africa where they were taken from
First answer by Piggierule. Last edit by T bat. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 2 [recommend question].