What was John c calhouns view on nullification

Mr. Calhouns view on nullification was that every state had the right to nullify any federal law they deemed unconstitutional.

Explanation:

His exact words were "The right of a State to interpose, in the last resort, in order to arrest an unconstitutional act of the General Government, within its limits."

He was the one who proposed the theory of nullification, which declared the tariff unconstitutional and therefore unenforceable.