How did the national attention from Freedom Summer and the Selma marches influence the voter registration campaign?

News coverage of violence against civil rights protesters during Freedom Summer and the Selma marches drew national attention to the barriers Black Americans faced when trying to register to vote. The public response strengthened support for the voter registration campaign and helped build pressure for federal action, including the Voting Rights Act of 1965. So the correct choice is A: it gathered support after the public saw the violence against protesters.

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