Question

Airplanes ,Machine Guns ,Poisonous gas These military weapons were first used in what war? A) World War I B) World War II C) the Civil War D) the Spanish-American War

Answer 1

i want to say WW2 but i might be wrong.

Answer 2

Airplanes, Machine Guns, & Poisonous Gas were first used in WW1.

Airplanes: Aircrafts was used all the time during the war, esspecially for artillery spotting.

Machine: Machine guns were designed for people to use in WW1, such as the lewis gun which had a 47 or 97 round pan magazine

Poisonous Gas: Phosgene, Chlorine, & Mustard Gas was used commonly during WW1.