Question

Who was sold into enslavementent after local or tribal war

Answer 1

The correct answer is Africans.
Like this, the defeat in the tribal war resulted enslavement of the weaker African tribes.

Answer 2

What you describe happened mostly to Africans

Step-by-step explanation:

If Africans waged war against other nations, the other nations that won would enslave the people and sell them on the market. If they waged war between themselves, the stronger tribes would enslave the weaker tribes and sell them to the slave market even though they are more or less neighbors.