State and Local Courts Must Honor Both Federal Law and the Laws

State and local courts must honor both federal law and the laws of the other states. Which of the following is true?

A) State courts must honor federal law all the time.
B) Claims arising under federal statutes cannot be tried in the state courts.
C) A contract dispute resolved by an Arkansas court can be re-litigated in North Dakota when the plaintiff wants to collect on the Arkansas judgment in North Dakota.
D) State courts do not have to consider the laws of other states in deciding cases involving issues when drivers from two different states collide in a third state.
E) Under the full faith and credit clause, each state court is obligated to respect the final judgments of courts in other states.