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>
West germany which was took by us france and britain
Well first of all it consisted of Romans, rather than Greeks. It also depended much more on heavy infantry, which was organized into maniples of 120 men.