1. From a Country Divided to Reconstruction (1820 - 1890)
2. A Changing Nation (1865-1916)
3. Reform to War (1890-1920)
4. Prosperity to Depression (1920-1941)
5. World War II (1941-1945)
6. Cold War (1945-1989)
7. Prosperity, Civil Rights and the Modern Society (1945-Present)