How did the Supreme Court decision in Dred Scott v. Stanford increase sectionalism?
A. It gave full citizenship to African Americans.
B. It allowed Congress to prohibit slavery west of the Mississippi River.
C. It denied Congress the power to regulate slavery in the territories.
D. It left all questions regarding slavery up to the executive branch.
C. It denied Congress the power to regulate slavery in the territories.
By denying Congress the power to regulate slavery in the territories, the Supreme Court decision in Dred Scott v. Stanford further deepened the divide between the North and South over the issue of slavery. This decision ultimately increased sectionalism by allowing for the expansion of slavery into new territories and intensifying the tensions between the slaveholding South and the free North.