Espionage and Sedition Acts

The Espionage and Sedition Acts of 1917, passed during World War I, resulted in the Supreme Court case Abrams v. U.S. where Oliver Wendell Holmes, Junior describes Clear and Present Danger theory. The Acts outlawed utterances detrimental to the war effort, and the postmaster general was permitted to exclude seditious material from the mails. The ruling was also upheld by the Supreme Court case Schenck v. U.S. in 1919.

See also:

• Alien and Sedition Acts