What does State rights and nullification mean ?

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).

Explanation: Hope this helps! ( also, brainliest?)

answer; eliminate parking problems in cities, because a car took up only half as much space as a horse and buggy;