Which describes a goal of the crusades? a. to teach literacy to the serfs of western europe b. to unite the visigoths and lombards under byzantine rule c. to return jerusalem and the holy land to christian control d. to convert the residents of the holy roman empire to islam

I would think C. the crusaders were  Christian so makes more sense.

C. the crusades were an attempt to get rid of the islamic involvement in the so called Holy Lands led most by the English and not the Holy Roman Empire.

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.