How did the Dred Scott Case impact sectionalism and ultimately lead to Southern secession? (Choose 2 that apply)
A: Pro-slavery supporters saw the case as a victory to uphold slavery
B: It angered the North by ruling slavery could not be kept out of western territories
C: It angered the South by restricting the rights of slave-owners moving west D:Northerners rejoiced with the ruling slavery was considered unconstitutional