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.
The Dust Bowl was the name given to the drought-stricken Southern Plains region of the United States, which suffered severe dust storms during a dry period in the 1930s. As high winds and choking dust swept the region from Texas to Nebraska, people and livestock were killed and crops failed across the entire region.
I think it was b they did a lot of stuff