What cause the western part of the roman empire to weaken and fall? what role did barbarians play in this?

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.

the answer is c. to explore the louisiana purchase