Rockets and atomic bombs.
guns, tanks
No
There were too many to easly list including rifles, pistols and automatic weapons. There are many books written about JM Browning which can do him better justice. He also invented the browning auto matic rifle which was used in world war2
Well actually there are so many that I cant list them all so I will just put a link out, .militaryfactory.com/worldwar2/weapons.asp
1945
yes
he died
World war2
Japan
world war2
No.
There were no nuclear weapons in WW1. The nuclear bomb was not invented until WW2.