Which best describes john c. calhoun’s views on states’ rights?
a state legislature can declare a law it believes to be unconstitutional as null and void within its borders.

only the u. s. supreme court can declare a federal law to be unconstitutional.

the federal government was created by the american people and therefore no state has the right to leave it.

each state should be free to conduct its own foreign policy without the interference of the federal government.