The explosion of african American arts music and political activity in the 1920s became known as?

The Harlem renaissance.

Explanation:

The Harlem Renaissance was an intellectual , social, and artistic explosion centered around the 1920s in Harlem, Manhattan, New York City. At that time  it was known as the New Black Movement, named after The New Black, an anthology edited by Alain Locke in 1925.

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