submarines were used in WW1 and the weapons used were torpedos and a deck gun.
Torpedoes were the main weapon. The submarines also had a naval gun that they would use on unarmed ships and many had machine gun mounts as well.
mustard gas, several different types of rifles, also aiplanes and submarines
World War I submarines were primarily used to locate and attack surface cargo and warships.
Yes, they were used to shoot shells of chemical gases into other trenches but other weapons used during World War 1 included Military Airplanes, Machine Guns, Tanks, and submarines
Shallow diving submarines are used for reef watching in many parts of the world.
Q Ships - which were merchant ships armed with camouflaged weapons which could be used against surface submarines.
Some new weapons used in WWI were poison gas, armored tanks, rapid-fire machine guns, zeppelins (large gas filled balloons) and German U-boats (submarines).
They were used by submarines to navigate when not in open waters, They were also used by submarines and anti-submarine ships to locate enemy submarines.
Poison Gas (chloride and mustard): The Tank:The Aeroplane: Flame Throwers, submarines/u-boats, Lee-Enfield Rifle
Britain, France, Germany, Italy and USA all used submarines during WW1
Yes, many submarines were used in WW1 by most of the major combatants.
World War 1