Used extensively.
rifles and machine guns
Zeppelins were developed but not widely used then.
machine guns, mustard gas, tanks
In world war 1 the planes were in no way effective, only to be used as biplanes and such, not like the spitfire in world war 2 which played a big part in it.Therefore machine guns were much more developed than airplanes.
There are several things that were first used in WW1 like submarines, machine guns and fighter planess. The first sub-machine gun was developed during WW1 but the war ended before in came in to service.
Used extensively.
rifles and machine guns
Zeppelins were developed but not widely used then.
machine guns, mustard gas, tanks
In world war 1 the planes were in no way effective, only to be used as biplanes and such, not like the spitfire in world war 2 which played a big part in it.Therefore machine guns were much more developed than airplanes.
THE MACHINE GUN and THE POISONUS GAS
All of them. Very popular weapon.
machine guns, mustard gas, tanks
barbed wire, flamethrower, mounted machine guns, tanks, submarines, hand grenades, gases and airplanes.
A Lewis gun was an early type of machine gun used in WW1.
The machine gun, the submarine, new warship designs.