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

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.

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.