How did the New York City community of Harlem become an exclusively African American neighborhood in the twenties?

Question

Quizplus · Accepted Answer

The transformation of Harlem into a predominantly African American neighborhood in the 1920s was significantly influenced by the Great Migration, where African Americans moved from the South to northern cities in search of better opportunities. This demographic shift, combined with the efforts of realtors and landlords who saw an opportunity to market Harlem as an exclusively black neighborhood, played a crucial role in its development during this period.

How Did the New York City Community of Harlem Become