The document summarizes a lecture on the 1920s economy and social issues in the United States. It covers: (1) The effects of WWI and the rise of a consumer economy in the 1920s; (2) African American social movements in film, jazz/blues music, poetry by Langston Hughes, and art; (3) Conservative social movements including the resurgence of the KKK, Prohibition, and the Scopes Trial on teaching evolution in schools.