The correct option is C 1964, to support African American representation at the Democratic convention.
The Mississippi Freedom Democratic Party was formed in 1964, to support African American representation at the Democratic convention. The Mississippi Freedom Democratic Party (MFDP) was founded on April 26, 1964 as part of a voter registration project for African Americans in the state. They formed the MFDP, which welcomed both whites and blacks, to run several candidates for the Senate and Congressional elections on June 2, 1964.