Answer:
Chief Justice Roger Taney declared Missouri Compromise to be illegal and unconstitutional.
Step-by-step explanation:
The Missouri Compromise seen was a crucial agreement to balance the power in Congress between slave and free states. The purpose of the Missouri Compromise was to settle the dispute. As a result, it banned slavery in the north (Louisiana territory) from the southern line of latitude 36 degrees 30'. It was during The Dred Scott v. Sandford judgment by the Supreme Court found that the Missouri Compromise was illegal. Roger Taney affirmed that the Missouri Compromise was unconstitutional because Congress had no authority to forbid slavery in territories. To justify his statement, he mentions about the Fifth Amendment that gives citizens (slave master) a right to have property rights.