Article VI of the U

Article VI of the U.S. Constitution contains the supremacy clause. What is the importance of this clause?

A) It requires that the individual state constitutions will be the "supreme law of the land" and that the national constitution may not override them.
B) It creates the standard that no other law, state constitution, or government action may override the U.S. Constitution.
C) It states that Congress is supreme over the other two branches of government.
D) It provides that no single government has supremacy over another.
E) It establishes the supremacy of the American citizen as the ultimate power.