Central to the Nullification crisis during Jackson’s presidency, was the notion that

ACongress could nullify executive orders if they did not agree with the President

BThe Supreme Court could nullify state laws if the latter were deemed unconstitutional

CStates could nullify, and therefore not obey, any duly passed national law that they deemed objectionable or unconstitutional

DThe state of Georgia was nullifying (by ignoring) the Supreme Court findings of Cherokee Nation v Georgia and Worcester v Georgia.