Pershing thought that when the troops reached Reims there might be a fierce battle, because it was urban combat the US Army had never experienced before.
Patton thought some preparation was necessary for this, so he immediately sent someone to consult with the mechanized infantry of France on how to fight.
Williams compiled the tactics and methods he learned and then passed them to the soldiers, asking them to memorize them while marching.
Although it was "last-minute studying," mastering a little more at such a life-and-death moment could potentially save their lives.
The most popular among them was the "submachine gun and grenades" tactic.
The US Army soldiers all found this tactic very effective:
"Grenades will stun the enemy, and before they regain consciousness, we can charge in with submachine guns, firing at suspicious targets to kill all the enemies and ensure our safety."
"I like this tactic, it suits us well because we have submachine guns and semi-automatic rifles."
