W.E.B. Du Bois said, on the launch of his groundbreaking 1903 treatiseThe Souls of Black Folk, “for the problem of the Twentieth Century is the problem of the color-line”—a prescient statement. Setting out to show to the reader “the strange meaning of being black here in the dawning of the Twentieth Century,” Du Bois explains the meaning of the emancipation, and its effect, and his views on the role of the leaders of his race.