How would john c. calhoun most likely have responded if the federal government enacted a law banning slavery in the entire united states in the 1830s?

a
he would have argued that southern states would have to follow the law unless they seceded from the united states.

b
he would have argued that the law would only apply in states whose congressional representatives supported the law.

c
he would have argued that the law was unconstitutional because the constitution specifically denied congress the right to restrict slavery.

d
he would have argued that southern states had the right to nullify the law and residents could practice slavery unless state laws outlawed it.