(1953), which states: “Congress has the power to regulate all executive and other agreements with a foreign power or international organization. All such agreements are subject to the restrictions imposed by this Article on the Treaties. The relevant restriction on this point was in Article 2, which provided that a treaty would enter into force as national law in the United States only through laws that would be valid without a treaty. A head of state is often explicitly designated as commander-in-chief of that nation`s armed forces due to supreme executive power and has held the highest office in all military chains of command. A collective head of state may exist in republics (internal complexity), for example.B.