In Schenck v. the United States (1919), the Supreme Court ruled that criticism of the draft was NOT protected by the First Amendment, because it created a clear and present danger to American interests.
In the Schenk v. US case, which concerns the freedom of speech issue, Schenk urged Americans to forgo the World War I draft.
The Supreme Court concluded in Schenck v. the United States that the First Amendment did not apply to criticism of the draft because it posed a clear and present danger to American interests.
The U.S. Supreme Court heard a First Amendment challenge to federal legislation on free speech grounds for the first time in this case.