Nullification is a legal theory that a state has the right to nullify, or invalidate, any federal law it deems unconstitutional. ... In "South Carolina Exposition and Protest", Calhoun argued that a state could veto any federal law that went beyond the enumerated powers and encroached upon the residual powers of the State.
They affect how people react and stuff like that
Explanation:
Cost Benefit Analyses are basically pro-con lists. A person wanting to make a complex decision will analyze the costs of the decision and the benefits of the decision and weigh them against each other.
It would be A. In the US Elections are indirect elections that are determined by the electoral collage.
