What is the best example of the United States use of economic aid as a tool of deplomacy?

d.he wanted to send diplomats to communist countries.

b) the confederacy had to pay all union war expenses.

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.

what are the choices?