Commerce Clause:The constitutional provision that grants the U.S. Congress the power to regulate commerce among the states, with foreign nations, and with Native American tribes.
Dormant Commerce Clause: The judicial interpretation that the Commerce Clause not only grants Congress the power to regulate interstate commerce, but also restricts states from passing laws that discriminate against or unduly burden interstate commerce.
Gibbons v. Ogden:A landmark Supreme Court case in 1824 that established the federal government's broad power to regulate interstate commerce, setting the precedent for an expansive interpretation of the Commerce Clause.