How did african american migration change the politics of the united states

The Great Migration was the movement of six million African-Americans out of the rural Southern United States to the urban Northeast, Midwest, and West that occurred between 1916 and 1970.

Which produced many changes in the US.

Cultural changes

       Demographic changes

       Discrimination and working conditions

Integration and segregation

And politically: In 1965, Congress passed the Voting Rights Act, which became a critical marker in African-American history.

Within months of passing the Voting Rights Act, Congress passed a new immigration law, replacing the Johnson-Reed Act of 1924.

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it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!