Why was the First Amendment guarantees of free speech

 

Use the link below and the Use book National Security and Civil Liberty by: Michael Geary

 

https://www.mtsu.edu/first-amendment/article/1047/mccarran-internal-security-act-of-1950

 

Why was the First Amendment guarantees of free speech (enjoyed by Americans prior to April 1917) curtailed so severely once America joined the war in April 1917? What does Schenck’s actions have to do with yelling ‘fire’ in a crowded theater? What’s the danger?