Which event finally brought the united states into world war ii?
a. japan's attack on pearl harbor
b. germany's invasion of france
c. britain's attack on gibraltar
d. italy's invasion of greece

i think it was   tsar alexander ii

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.