Please respond to the below questions based on Chapters 1 (Nature and Sources of Law), 2 (The Court System and Dispute Resolution) and 11 (Nature and Classes of Contracts), as well as our class discussions so far. Use full sentences and be sure to state the principles of law that apply to the facts in the questions.

1. The Food and Drug Administration has issued a regulation requiring warning labels on cigarette packaging about the harmful effects of cigarettes. If a cigarette company wants to argue that this regulation is invalid, it should argue that it violates what types of laws? Why?