WILL GVIE BRAIIEST (50 POINTS) How did the domestic slave trade come about, and do you believe it was mostly different from, or similar to, the Atlantic Slave Trade?

how it came about

The internal slave trade among colonies emerged in 1760 as a source of labor in early America. In the early years, some colonists traded in Native Americans, but began to favor the use of imported slaves from Africa.

Explanation:

I couldn't find the second half of the question sorry