| Sectional Interests and the Transcontinental Railroad |
| Effects of the Fourteenth Amendment |
| Compromise of 1850 and Territorial Divisions |
| Continuity in Southern Agriculture |
| Mapmaker's Perspective on the Fugitive Slave Act |
| Mass Media and Public Perception of War |
| President Polk's Argument for Expansion |
| Mid-19th Century Nativist Politics |
| Lincoln's Argument for National Unity |
| Constitutional Transformation 1844-1877 |
| Kansas-Nebraska Act and Sectional Conflict |
| Civil War Era Document Analysis |
| Criticism of Reconstruction Policies |
| Impact of the Declaration of Secession |
| Federal Intervention During Reconstruction |
| 1860 Presidential Election and Sectionalism |
| Kansas-Nebraska Act and Popular Sovereignty |
| Rise of the Republican Party |
| Northern Critique of the Mexican-American War |
| German Immigrant Cultural Preservation |
APFIVE