If only there was a good reason to invade France.
Let's see...cheese, nope. Wine, nope. Culture, nope. Real estate, nope.
See, no good reason to invade.
Plus, we would have to pick up all those unused rifles.
5.56mm
LOL! Yes, that was the only thing that slowed the Germans down both times.
"To go into battle against your enemies, to drive them before you, and to listen to the lamentation of their women".