The Constitution is the supreme law of the land. All laws in the United States need to follow the Constitution. Sometimes, people think a law does not follow the Constitution. They make a case. They take the case to the Supreme Court. The Supreme Court can decide that a law is unconstitutional. If that happens, it can’t be a law anymore. Everyone must follow the Constitution. The Constitution is the supreme law of the land.
Section "Learn and Explore" uses official instructions and media files of US Citizenship and Immigration Services, US National Museum of American History, The Smithsonian Institution and other governmental and public organization.