The airplane, tanks and poison gas. Other weapons, such as the machinegun and submarine were already in existence.
Sonar was not introduced in World War 1.
In World War 2 the Germans introduced the V2 rocket, a terrifying new offensive weapon. In WW1 poison gas was considered the most terrifying weapon.
the tank
The Germans
broken pistolthe zeppelin was the least important weapon in ww1.
Sonar was not introduced in World War 1.
In World War 2 the Germans introduced the V2 rocket, a terrifying new offensive weapon. In WW1 poison gas was considered the most terrifying weapon.
the tank
The Germans
A long range German artillery weapon made by Krupp in WW1.
broken pistolthe zeppelin was the least important weapon in ww1.
The U-Boat
broken pistolthe zeppelin was the least important weapon in ww1.
the maxim gun
The first tanks were introduced on to the battlefield by the British in the First World War.
THE MACHINE GUN and THE POISONUS GAS
All of them. Very popular weapon.