Final answer:
The supremacy clause of the U.S. Constitution states that federal laws are superior to state laws.
Step-by-step explanation:
The supremacy clause of the U.S. Constitution, as stated accurately in option B, declares that federal laws are superior to state laws. This means that in cases of a conflict between federal and state laws, the federal law takes precedence. For example, if a state law contradicts a federal law on a certain issue, the federal law will prevail.
Learn more about The Supremacy Clause of the U.S. Constitution