The British invented the tank in World War 1, poison gas was much adapted to inflict more harm upon enemy soldiers, planes were advanced greatly, the German stalhelm helmet replaced the pickelhaube, and guns/mortars/mines/torpedoes were improved vastly.
The microwave
The Poison gas and the airlifts
The atomic weapon.
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nuclear bomb
The aircraft carrier was a new invention in World War I. The use of deadly gases was also a new invention in World War I.
New inventions changed warfare during World War 1 by creating new weapons and creating more casualties. Some of the inventions during World War 1 were tanks, infantry rifles, and machine guns.
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the atom bomb and the pop rivet.
No
They were the radar, atomic bombs, radio communications.
World War 1 happend