What native American culture group lived along the Trinity River in Texas

The "Prairie Indians"

Explanation:

The "Prairie Indians" were described as hunters and horsemen living high up the Brazos and Trinity rivers and friendly with the Comanches.

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.