How did new technology change warfare during ww1

1. It was the first war to use airplanes and jets in battle creating the air force

2. trench combat

3. First war to use chemical warfare

1. A major brakthrough in WWI technology was the tank. It completely change the way fighting was happening because it could go over trenches.

3. Chemical weapons - again, since the fighiting was done in trenches, throwing poisonous gas bombs within enemy trenches had devastating results

3. Flamethrowers - they were used to burn enemy soldiers hidden in trenches.