Which of the following was part of the legacy of the Vietnam War?
Americans confidence that the United States would win the Cold War
Americans' belief that the policy of containment worked
Americans increased cynicism about their government
Americans paranoia about the intentions of the North Vietnamese government

Americans increased cynicism about their government

i am pretty sure the awsers is d.

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.