U.S. Constitution, Article 1, Section 10. Clause 1, states: “No State shall enter into any Treaty, Alliance, or Confederation….” and Clause 3, states: “No State shall, without the Consent of Congress, …enter into any Agreement or Compact with another State” (U.S. Constitution)
Our Founders' Warning: “Every government degenerates when trusted to the rulers of the people alone. The people themselves are its only safe depositories.” (Thomas Jefferson)