some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
Some are
Some new weapons used in WWI were poison gas, armored tanks, rapid-fire machine guns, zeppelins (large gas filled balloons) and German U-boats (submarines).
Because the old weapons become to common and considered to be to predictable
long bow
M16
some new weapons that were used were the machine gun, the tank, the flamethrower, and the Airplane was now used for battle
Some are
The new weapons of world war one were machine guns,Tanks,poison gas, and planes og WW1
Tanks & poison gas .
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.
It introduced new weapons.
.30 M-1 Garand
poison gas machine guns and tanks
Airplanes, poison gas, machine guns and tanks.
Poison Gas, Machine Guns and planes to say the least.
Automatic weapons, new tactics, airplanes, tanks, trenches, chemical weaponry.