Which of the Following Statements Is True of Preemption

Multiple Choice

Which of the following statements is true of preemption?

A) When the federal government preempts laws in an area, state laws are given preference over the federal law in that area.
B) If a federal law preempts a subject, then any state law that attempts to regulate the same activity is unconstitutional.
C) Preemption does not apply to federal statutes and rules of federal administrative agencies.
D) The concept of preemption arises from the contract clause of the Constitution.
E) Preemption grants the federal government the power to regulate foreign commerce.