The part of the United States Constitution that sets out the relationship between the states and the federal government is primarily outlined in Article IV. This article includes the Full Faith and Credit Clause, which requires states to honor the public acts, records, and judicial proceedings of other states, and the Privileges and Immunities Clause, which prohibits states from discriminating against citizens of other states. Additionally, Article VI establishes the Supremacy Clause, which asserts that federal law takes precedence over state law when there is a conflict.
