Poisonous Gas
Sonar was not introduced in World War 1.
that would be the tank.
The most important weapon invented and used in WWI was the Tank. The aircraft as a weapon was used extensively for the first time in WWI for reconnaisance, artillery spotting, bombing, and strafing - the aircraft was used as a weapon to a limited extent in earlier conflicts. Posion gas was used for the first time in WWI
Militarily, WWI saw the introduction of tanks and airplanes into warfare. This rendered the tactics of "trench warfare" obsolete in later wars, as the practice produced a catastrophic number of human casualties during WWI.
Atomic bombs
Atomic bombs
Atomic bombs
Atomic bombs
Poisonous Gas
Sonar was not introduced in World War 1.
that would be the tank.
The tank. Though not wheeled, gas was also used for the first time in WWI.
Some of the newest weapons unveiled during WWI included the machine gun, and poisonous gas. Both huge reasons as to why "The Great War" was so deadly.
combat planes and tanks, mainly used to storm through trenches and destroy large structures. These made it easy to decease enemy casualties during WWI.
During which war?
Guns