17. Reconstruction, 1863-1877. 18. Frontiers of Change, Politics of Stalemate, 1865-1890. 19. Economic Change and the Crisis of the 1890s. 20. An Industrial Society, 1890-1920. 21. Progressivism. 22. Becoming a World Power, 1898-1917. 23. War and Society, 1914-1920. 24. The 1920s. 25. The Great Depression and the New Deal, 1929-1939. 26. America during the Second World War. 27. The Age of Containment, 1946-1954. 28. Affluence and Its Discontents, 1954-1963. 29. America during Its Longest War, 1963-1974. 30. Economic and Social Change in the Late 20th Century. 31. Power and Politics Since 1974.