Which city became the leading african american community in the united states?
a. harlem
b. detroit
c. chicago
d. new orleans

The answer is a, Harlem

                                                                                                           During a period known as the 'Harlem Renaissance", many influential people led the movement to expand the culture of African Americans. This led to an greater interest in music, culture, arts, and politics by many great African American leaders. The time-period this took place was the 1920's. 

This act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.

She was one of the world's first female heads of state.