Those two states voted exactly the same in 1932, but Roosevelt only got 23% of the black vote that in 1932, what happened?
In 1948 Mississippi went 10% Democrat, and South Carolina went 24% Democrat, yet blacks still voted almost 80% Democrat that year, what happened?
What was the Black vote in MS and SC in 1932 or 1936, how about 1948 ? How many Blacks could participate in voting in getting around Jim Crow in those states ?