What would be a lasting consequence of Chief Justice John Marshall's decision? The federal government must follow the Constitution strictly and does not have any room to expand its powers. The federal government must follow the Constitution strictly and does not have any room to expand its powers. The federal government can expand their constitutional powers if it leads to an expressed power. The federal government can expand their constitutional powers if it leads to an expressed power. Only the Supreme Court has the authority to expand the powers of the federal government. Only the Supreme Court has the authority to expand the powers of the federal government. Under the Constitution, the federal government has the power to establish a bank but not collect taxes.