In Dred Scott V

In Dred Scott v. Sandford , the Supreme Court declared that

A) blacks could not be citizens and Congress could not ban slavery in the territories.
B) blacks could be citizens and Congress could ban slavery in the territories.
C) blacks were free in the territories, but slaves in the South.
D) slavery was unconstitutional in both the states and territories.
E) slavery was abolished in the territories, but allowed in the states.