How, according to the ordinance, has congress acted unconstitutionally? ?

An Act of Congress that violates the Constitution may be declared unconstitutional by the courts. The judicial declaration of an Act's unconstitutionality does not remove the law from the statute books; rather, it prevents the law from being enforced

More context .

The correct answer is: their civil liberties have been protected, but their civil rights are less clear apex. hope this .