It depends somewhat on your definition of "new", but basic infantry weaponry in World War II for the United States Army used only two weapons from Wordl War I in the regular footsoldiers equipment: The M1911A1 Colt automatic pistol, and the Browning Automatic Rifle (BAR). The 1903, and 03A3 Springfields of World War I were also used, but as sniper weapons, not as main infantry shoulder rifles. The basic shoulder rifle was the M1 Garand (1936), the secondary support shoulder weapon was the M1 Carbine, the submachine guns were the Thompson submachinegun, which missed, literally by days, being used in World War 1, and the M3 "grease gun" submachine gun. The bazooka was also a new weapon in WW II.
some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
somewhat surprisingly, none.
Dropped on Japan to end the war.
Poison Gas Tanks Aeroplanes
No. No nuclear weapons have ever been used in an act of war besides the two dropped on Japan during the Second World War. The United States and Russia both produced enormous amounts of nuclear weapons during the Cold War, though none were used.
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some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
Weapons used during WW II included rifles, tanks, hand grenades, machine guns, and atomic bombs (only at the end).
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Many weapons were used in battle depending on the actual battle being studied. For example, guns and bayonets were used during World War I and World War II while guns, swords and knives were the main weapons in earlier battles.
The 29th infantry used light infantry weapons during world war 2.
weapons to be used by the Germans during world war 2
Dropped on Japan to end the war.
somewhat surprisingly, none.
.30 M-1 Garand
The new weapons of world war one were machine guns,Tanks,poison gas, and planes og WW1
Atomic/nuclear weapons