For a Majority of Northerners,the Most Outrageous Part of the Supreme

For a majority of northerners,the most outrageous part of the Supreme Court's ruling in the Dred Scott case was that

A) as a slave, Scott had no right to sue in federal court.
B) Scott did not automatically become free when his owner took him through free states and territories.
C) Congress had never had the power to prohibit slavery in any territory.
D) slaveowners had the right to flood into territories so as to control popular sovereignty.
E) the Bill of Rights did not apply even to free African Americans.