Because of British seizure of American ships and because of impressment of American seamen. :) I hope this helps!
The Pentagon Papers revealed that the Harry S. Truman administration gave military support to France against the Communist led Viet Minh, which directly involved the United States in the Vietnam War.
The purpose was to make people believe what about what the propaganda ex: Nazi's Propaganda Against the jews, or american army propaganda to join the army.
