To influence American opinion, To urge people to join the military, and To encourage civilian contributions
Explanation: They used it to influence what Americans believed. They used it to try and get people to join the military. They used it to get civilians to do things that would contribute to the war.
Demosthenes wanted the Greek city-states to join forces (urge together) and fight with the Macedonians. They did not follow his advice because it was to late for them to urge together.
