What is the most likely reason why the author included information about Marcus Garvey and the NAACP magazine The Crisis

To support the idea that activism was also an important part of the Harlem Renaissance.

Explanation:

The Harlem Renaissance, an art movement by the disadvantaged and segregated Black Americans took center stage in the 1920s. The article "Harlem Renaissance", shows that in addition to making their voices heard through the art works like musical comedies, writing, poetry, singing, etc., the American Indians also engaged in activism.

Marcus Garvey was an activist that pushed for blacks to return to their homelands while The Crisis, a magazine formed by the National Association for the Advancement of Colored People gave the activists a platform to make their voices heard.

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