When North Korea invaded South Korea in 1950, what was the U. S. response?

U. S. troops were sent to borders of the Soviet Union.
U. S. troops were sent to South Korea.
U. S. troops were sent to both North and South Korea.
U. S. troops were sent to North Korea.

i need to see the answer to answer the question

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.