Supremacy Clause
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| Supremacy Clause | |
|---|---|
| Name | Supremacy Clause |
| Enacted by | United States Constitution |
| Article | Article VI |
| Clause | Clause 2 |
| Effective | 1789 |
| Key cases | McCulloch v. Maryland, Gibbons v. Ogden, Cooper v. Aaron, Arizona v. United States |
| Related | Tenth Amendment to the United States Constitution, Commerce Clause, Necessary and Proper Clause |
Supremacy Clause The Supremacy Clause is a provision in Article VI establishing that certain national instruments outrank conflicting state instruments. It situates the United States Constitution, federal statutes, and federal treaties above conflicting state constitutions and state laws, shaping tensions among Alexander Hamilton, James Madison, and George Washington during the founding era. The Clause has been central to controversies adjudicated by the Supreme Court of the United States, including disputes involving Maryland, New York, and California.
Text of the Clause
The text appears in Article VI and states that the Constitution, federal statutes made in pursuance of it, and federal treaties are "the supreme Law of the Land." The Clause directs that judges in every state are bound thereby, even if state constitutions or statutes conflict, as debated by delegates at the Philadelphia Convention and discussed in the Federalist Papers by Alexander Hamilton, James Madison, and John Jay. The phrasing has been examined alongside provisions in the Judiciary Act of 1789 and the Supreme Court of the United States’s early writs practice.
Historical Background and Adoption
Debate over national supremacy animated the ratification debates in 1787 and the Federal Convention. Federalists like Alexander Hamilton and John Jay argued in the Federalist Papers for a national legal hierarchy, while Anti-Federalists such as Patrick Henry and George Mason warned about centralization. State ratifying conventions in Massachusetts, Virginia, and New York contested the balance struck in Article VI. The Clause built on precedents from the Articles of Confederation, controversies like the Whiskey Rebellion, and post-ratification practices under presidents George Washington and John Adams.
Judicial Interpretation and Key Supreme Court Cases
The Supreme Court of the United States established foundational doctrines in cases interpreting the Clause. In McCulloch v. Maryland, Chief Justice John Marshall invoked national supremacy to bar Maryland from taxing a federal bank. In Gibbons v. Ogden, Marshall emphasized federal control over interstate matters in the face of New York licensing. Later decisions such as Cooper v. Aaron reaffirmed judicial supremacy after Brown v. Board of Education, countering resistance from Arkansas and governors like Orval Faubus. Cases addressing immigration and enforcement, such as Arizona v. United States, explored preemption and state authority in contexts involving Arizona and federal statutes like the Immigration and Nationality Act. The Court’s docket also includes interpretations in Hylton v. United States, Worcester v. Georgia, Printz v. United States, United States v. Lopez, National Federation of Independent Business v. Sebelius, and New York v. United States that touch federal supremacy boundaries.
Federalism and Conflicts Between Federal and State Law
Conflicts arise when state statutes, state constitutional provisions, or state executive actions collide with federal legislation, federal regulations, or federal treaties. Notable disputes involved Massachusetts and federal banking, Rhode Island and admiralty law, and state resistance in the Civil Rights era in Alabama and Mississippi. The Clause interacts with the Tenth Amendment and the Commerce Clause in shaping the reach of federal power in cases involving entities like Amtrak, Federal Aviation Administration, Environmental Protection Agency, and Department of Defense. Congress’s exercise of authority under provisions such as the Necessary and Proper Clause affects federal preeminence in sectors regulated by agencies like the Securities and Exchange Commission, Federal Communications Commission, and Internal Revenue Service.
Preemption Doctrine
Preemption doctrine flows from the Clause, distinguishing express preemption, field preemption, and conflict preemption in decisions by the Supreme Court of the United States. Landmark statutory and treaty conflicts have arisen in areas including Maritime law, Patent law, Banking law, and Immigration and Nationality Act enforcement. The Court has applied preemption in cases involving federal statutes such as the Civil Rights Act of 1964, the Americans with Disabilities Act, the National Labor Relations Act, and the Clean Air Act. Preemption also figures in disputes concerning Federal Reserve System authority, Medicare rules, and Federal Emergency Management Agency responses. Courts weigh congressional intent, statutory text, and the historic police powers of states like Texas and Florida when evaluating whether federal law displaces state law.
Application in Federal Territories and Tribal Law
The Clause governs relations in federal territories such as Puerto Rico, Guam, American Samoa, and the United States Virgin Islands, affecting territorial statutes, local constitutions, and acts of territorial legislatures. It also intersects with federal Indian law, where the United States v. Kagama line, decisions like Worcester v. Georgia, and statutes such as the Indian Reorganization Act shape federal-tribal relations. Tribal sovereignty of entities like the Cherokee Nation, Navajo Nation, Choctaw Nation, and Lakota nations interacts with federal supremacy when Congress exercises plenary power under acts including the Indian Gaming Regulatory Act. The Clause informs jurisdictional disputes involving tribal courts, the Bureau of Indian Affairs, federal statutes, and treaties made with tribes such as the Treaty of Fort Laramie.