| 17. | Racial intolerance, anti-immigrant attitudes and the Red Scare contributed to social unrest after World War I. |
| 18. | An improved standard of living for many, combined with technological innovations in communication, transportation and industry, resulted in social and cultural changes and tensions. |
| 19. | Movements such as the Harlem Renaissance, African-American migration, women’s suffrage and Prohibition all contributed to social change. |
| 20. | The Great Depression was caused, in part, by the federal government’s monetary policies, stock market speculation, and increasing consumer debt. The role of the federal government expanded as a result of the Great Depression. |