BriefingStudent:Professor:Course title:Date:Supremacy Clause – Rowe, Attorney General of Maine v. New Hampshire Motor Transport Association Each of the four subjects actually affects business in the United States. As regards 5.1 Supremacy Clause, the best-case scenario is that the Federal Aviation Administration Authorization Act, which is the federal law, preempts the state law. The preemption provision of this Act forbids the state of Maine or any other state from passing laws which relate to the services, routes or prices of motor and air carriers. The worst-case scenario is that the FAAAA does not preempt state laws which use the police power of the state to demand that motor and air carriers take measures to make sure that tobacco cigarette is not sold to people who are underage (FindLaw, 2014). Duty and Causation – James v. Meow Media, Inc. The best-case scenario here is that the actions of Michael Carneal were not adequately predictable or anticipated to enforce a duty of reasonable car...