Question: For the court cases Curtis Publishing Co. v. Butts and Katzenbach v. Morgan, which established First Amendment protections, and which allowed Congress law enactment?
Sentence (from "Katzenbach v. Morgan"): Katzenbach v. Morgan, 384 U.S. 641 (1966) , was a United States Supreme Court case regarding the power of Congress, pursuant to Section 5 of the 14th Amendment, to enact laws that enforce and interpret provisions of the Constitution.
Relevant evidence: Yes