it affected it by gas.
barbed wire, flamethrower, mounted machine guns, tanks, submarines, hand grenades, gases and airplanes.
Used extensively.
Yes. There were machine guns in WW1. There were Gatlin Guns, a type of machine gun, in the Civil War.Yes
Kill people
rifles and machine guns
All of the major players possessed machine guns by the outbreak of the war.
unknown
They were not yet invented- did not exist.
machine guns, submarines and poisen gas
machine guns, mustard gas, tanks
machine guns, mustard gas, tanks
All of them. Very popular weapon.