Slavery in the Americas?
A. was based on race.
B. was banned in 1810.
C. involved more women than men.
D. led to fighting between European countries.

Slavery in america led to fighting between European countries

Contributing factors  leading  to the harlem renaissance were the great migration of african americans to northern cities, which concentratedambitious  people in places where they could encourage each  other, and the first world war, which had created new industrial work opportunities for tens of thousands of people.