Question

the freedom summer campaign led to the ratification of the fifteenth amendment. the birmingham campaign of 1963. the integration of the university of mississippi. the voting rights act of 1965.

Explanation:

The Freedom Summer campaign in 1964 aimed to increase Black voter - registration in Mississippi. It, along with other civil - rights efforts, contributed to the passage of the Voting Rights Act of 1965 which aimed to overcome legal barriers at the state and local levels that prevented African Americans from exercising their right to vote. The Fifteenth Amendment was ratified in 1870, the Birmingham Campaign was in 1963, and the integration of the University of Mississippi was in 1962.

Answer:

the Voting Rights Act of 1965.