What convinced Inca armies to retreat in their war against the Spanish in 1533? a. The Spanish captured their emperor.
b. The Spanish executed their emperor.
c. The Spanish captured their capital city.
d. The Spanish joined forces with native groups.

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.