During freedom summer: select one: a. very few white college students participated. b. only black activists participated in the voter registration campaign. c. signers of the southern manifesto launched a campaign against integration. d. a coalition of civil rights ""

D.

Explanation:

Freedom summer or Mississippi Summer Project was the project raised to increase the black voter registration in Mississippi in 1964. The project was sponsored by civil rights organisation.

The Student Non-Violent Coordinating Committee also helped in the project.

This project was opposed by policemen, state and authorities also.

So, the correct answer is option D.

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answer; humanistic;