$10.$"This constitution, and the Laws of the United States which shall be made in Pursuance thereof; and all Treaties made, or which shall be made, under the Authority of the United States, shall be the supreme Law of the Land; and the Judges in every State shall be bound thereby, any Thing in the Constitution or Laws of any State to the Contrary notwithstanding."

Article VI

U$.$S$.$ Constitution

Question: What does Article VI mean?

a$.$ Each state is free to create its own laws regardless of existing contradictory federal law

b$.$ Federal law in any and all cases takes precedence over state law

c$.$ It is up to individual states to negotiate treaties with foreign powers

d$.$ When federal and state laws contradict one another, the Supreme Court rules in favor of whichever law is more fair