3. How does rationing demonstrate a change in the role of government?

Rationing allows governments to control demand, regulate supply, and set price ceilings, but it does not completely eliminate supply and demand laws. When rationing is in place, black markets often emerge. People can use these to trade rationed goods they don't want for ones they do.

Explanation:

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;