How did the Dred Scott Case lead to the civil war?

The Dred Scott Case, decided by the Supreme Court in 1857, ruled that enslaved individuals were not U.S. citizens and that Congress had no authority to prohibit slavery in the territories. This decision inflamed regional tensions, as it effectively invalidated the Missouri Compromise and heightened fears among anti-slavery advocates about the expansion of slavery. The ruling galvanized the abolitionist movement and further polarized the nation, contributing to the political climate that ultimately led to the Civil War.