The answer is <span>Peaceful protest
The bonus army veteran consist of the veteran from world war I that conducted a protest and asked for cash-payment redemption for their services in the war.
Since this protest happened during the great depression, things like money became a really sensitive issues even among other currently serving soldiers (becasuse it most likely to be taken from their bonus fund) and eventually the fight happened.</span>
The U.S. relies so heavily on oil that if it disappeared then they would probably be dragged down unless they found a better solution.
The U.S needs oil because, it runs cars, and also many other things. It runs boats for trade, airplanes, runs electricity creation plants, and it also creates our roads.
