These new military technologies resulted in a huge expansion of the military tactic known as trench warfare and made the most deadly war up to that point in history.

Tanks
Machine Guns
Poison Gas
Flamethrowers
Airplanes

- "schenck v. united states, case in which the u.s. supreme court ruled on march 3, 1919, that the freedom of speech protection afforded in the u.s. constitution's first amendment could be restricted if the words spoken or printed represented to society a “clear and present danger.” "

- speech aimed to potentially create danger could be banned.

< 3

jcadsxjdas

explanation:

doisdforiew