Informal Nullification Refers to the ___

Informal nullification refers to the ___ .

A) state government declaring an act of Congress void and the federal courts upholding that claim
B) Supreme Court declaring an act of a state void and Congress upholding the decision in enabling legislation
C) Congress declaring an executive order void and empowering the states to ignore the order through enabling legislation
D) state legislatures passing contrary laws or declining to enforce federal mandates or the public demonstrating an unwillingness to comply