A rise in literacy levels among African Americans as educational opportunities opened up dramatically in the decades prior is NOT a contributing factor that led to the Harlem Renaissance.
Explanation:
The Harlem Renaissance also known as New Negro Movement was started in 1920 in the city of New York. During this movement, the writers and artists of African Americans had rights to express their black culture and experience. Thus, they themselves found a place in Western high culture.
The "Great Migration" of African Americans to northern cities was one of the factors that contributed to the Harlem Renaissance.
The Harlem Renaissance came to an end in 1930 due to the effects of the "Great Depression".