Movies are good.

American G.I's were sent to die for nothing, and returned to a country that didn't want them. The United States, of course, had no interest in undoing the damage of this war at home or abroad. In this film, the Vietnamese, who are paired up with French mercenaries at one point (the French had enslaved the Vietnamese before the war) eventually become our antagonists, who wish to take back the gold our "heroes" believe is rightfully theirs.
In this film,…