Select the following weapon that was not first used during World War I.(1 point)Responsesflamethrowerflamethrowertanktankpistolpistolsubmarines submarines poison gaspoison gas

Answer 1

The weapon that was not first used during World War I is the "submarines." Submarines were used in military operations before World War I, notably in the late 19th century and early 20th century. The other options listed (flamethrower, tank, pistol, and poison gas) were all introduced or saw significant use during World War I.