A: The number of African American voters in Mississippi increased significantly.
Freedom Summer, also known as the the Mississippi Summer Project, was a 1964 campaign aimed at increasing black voter registration in Mississippi, sponsored by civil rights organizations like the Congress on Racial Equality (CORE) and the Student Non-Violent Coordinating Committee (SNCC).
Fifty Freedom Schools were stablished, and managed to register twelve hundred African Americans that year. By 1966, more than half of African-Americans in southern states had registered to vote