Which term refers to the idea that southern states had authority to make their own law regarding slavery

answer:

nullification (u.s. constitution) nullification, in united states constitutional history, is a legal theory that a state has the right to nullify, or invalidate, any federal law which that state has deemed unconstitutional with respect to the united states constitution (as opposed to the state's own constitution).

are there any options you can choose from? ?

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