What are the weapons used in World War 1?

Answer:
Tank, airplane, machine gun, poison gas, submarine were all new weapons in WW 1. At the end of that war, soldiers were asked to name what they thought was the most devastating weapon of that war, and they almost unanimously said: The machine gun.
First answer by Scot633. Last edit by Scot633. Contributor trust: 7 Question popularity: 0 [recommend question].