Airplanes, poison gas, machine guns and tanks.
M16
Some are
The new weapons of world war one were machine guns,Tanks,poison gas, and planes og WW1
some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
in world war 1 Germany introduced the use of chemical weapons for instance the Mustard Gas artillery shells, theses weapons where mainly used by countries on there side.
Tanks & poison gas .
GrenadesFlamethrowersTanksMachine gunsPoison gas
.30 M-1 Garand
poison gas machine guns and tanks
Chemical weapons and the machine gun
Tanks
Because the old weapons become to common and considered to be to predictable