Triggered the "Panic of 1857" and resulted in several railroad bankruptcies and bank closures.

Strengthened pro-slavery and secessionist support in the south.
Made the question of extending slavery into new territories an unstable issue.
Divided the Democratic Party on sectional lines and strengthened the Republican Party.
These statements are describing the effects of the Supreme Court's decision in
A Plessy v. Ferguson
B Worcester v. Georgia
C Richardson v. Boston
D Dred Scott v. Sandford

D. Dred Scott v. Sandford