1. the us mobilized by listening and constantly getting a news feed about the current up to date event because they knew they would be forced to enter the war so they mobilized trained soldiers built tanks weapons strategys
2. one of the greatest military technology of world war 2 was the M2 flamethrower the thermite grenade was Also developed in ww2 which was like an incendiary grenade used to burn the japanese out of under ground tunnels later the atom bomb was develpoed in the manhattan project to ultimatley win the war
