Respuesta :

Explanation:

While WWI was fought in the trenches and used machine guns and poisonous gas, WWII was fought using modern artillery and machines utilizing more airplanes, ships, tanks, and submarines. Special operations methods were also developed during this war together with atomic missiles and secret communications

Answer:

Explanation:

world war 1 is fighting against the german COUNTRY and world war 2 is a group of germans revolting against us