U.S. History: Nationalism to Sectionalism Chart / Poster Assignment / Nationalism v Sectionalism 2 Circle Venn Diagram. This lesson scaffolds review and discovery learning to help maximize learning in regards to America's transition from Nationalism to Sectionalism leading up to the Civil War. The Chart helps students analyze the impact of the Monroe Doctrine on Nationalism, the Missouri Compromise on Sectionalism, the Age of Jackson, Industrial North, Cotton and the South, and the Abolition movement. Venn diagram works great in conjunction with a compare and contrast writing assessment. Poster assignment can be modified into writing assignment.