Question: Which case decided by the Supreme Court, the United States v. Virginia or Davis v. Beason. involved the First Amendment of the United States Constitution?
Sentence (from "United States v. Eichman"): It built on the opinion handed down in the Court's decision the prior year in "Texas v. Johnson" (1989), which invalidated on First Amendment grounds a Texas state statute banning flag-burning.
Relevant evidence: No