The Supremacy Clause in Article VI, Clause 2, of the Constitution

The supremacy clause in Article VI, Clause 2, of the Constitution

A) grants the president the power to veto legislation.
B) establishes Congress as the supreme branch of the national government.
C) ensures that the states retain ultimate governmental power.
D) makes the Constitution and federal laws superior to all conflicting state and local laws.
E) outlines the powers of the Supreme Court.