Answer
A state can regulate commerce that takes place within its own borders
Explanation
Gibbons v. Ogden, was the U.S. Supreme Court case establishing the principle that states cannot, by legislative enactment, interfere with the power of Congress to regulate commerce. It was a landmark decision in which the Supreme Court of the United States held that the power to regulate interstate commerce, granted to Congress by the Commerce Clause of the United States Constitution, encompassed the power to regulate navigation.
