What was the impact of Reconstruction on African-American migration to the cities?

The primary factors for migration among southern African Americans were segregation, an increase in the spread of racist ideology, widespread lynching (nearly 3,500 African Americans were lynched between 1882 and 1968), and lack of social and economic opportunities in the South.

Explanation:

As a result of housing tensions, many blacks ended up creating their own cities within big cities, fostering the growth of a new urban, African American culture. The most prominent example was Harlem in New York City, a formerly all-white neighborhood that by the 1920s housed some 200,000 African Americans.

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