Answer:
Sectionalism
Explanation:
Sectionalism. The Dred Scott case decision was one of the biggest reasons that the South seceded. While the South wanted to keep their slaves, the north wanted to set those slaves free and make them citizens. This led to rising tensions & finally led to the secession of the south.
Lincoln's major war aim was to preserve the Union, or the whole nation.
The Industrial Revolution made it easy for goods to be produced in large quantities. ... New inventions allowed crop production to increase each year, especially cotton. More slaves were needed to pick cotton until slavery was outlawed. The cotton gin removed seeds from the bowl.
