In 1903, W.E.B. Dubois argued that "the problem of the Twentieth Century is the problem of the color line." This collection of fourteen essays explores how that color line inhibited black success and harmed society as a whole. Be sure you understand Dubois's positions by taking the quiz over "The Souls of Black Folks" from eNotes. Ten questions let you know in a flash if you have a good grasp of the major themes of these essays.