4.    Explain and critically discuss ideas about the sources of social inequalities (e.g., in relation to class, social status, race and/or gender) and how such conditions might be transformed according to at least two of the following thinkers explored in this module:  Douglass, Perkins-Gilman, Addams, Wells-Barnett, Cooper, W.E.B. Dubois.  Which of your chosen thinkers provides the most persuasive arguments? Give reasons for your answer.