In 1857, the Supreme Court Ruled in the Dred Scott

In 1857, the Supreme Court ruled in the Dred Scott decision that

A) slavery was inconsistent with the constitution and must be abolished.
B) protection of slavery was guaranteed in all the territories of the United States.
C) slavery would be constitutional only in those areas that were already slave territories.
D) abolition of slavery would be done only in those areas in which it is already abolished.
E) slavery was constitutional, but the slave trade was unconstitutional.