Article VI of the U.S. Constitution: Supremacy

Article VI of the U.S. Constitution obligated the new government created by the Constitution to assume the debts owed by the government under the Articles of Confederation.

This article also established the supremacy of the Constitution, and those federal laws and treaties made under it, over state laws.  Stating that the Constitution and subsequent laws are the "supreme law of the land."

In addition, Article VI requires legislators and members of the executive and judicial branches of the national government and the state governments to swear an oath of allegiance to the Constitution.  It also bans any religious qualification for serving in an office under the United States.