They were only capable of going about 50-80 feet under. They were mostly used for spying.
Submarines.
Submarines fought in both WW1 and WW2.
Underseaboats.
Yes, many submarines were used in WW1 by most of the major combatants.
Deep ocean pressures are to great for submarines. They do not need to go deep anyway, just to avoid detection by the enemy.
No there were no tanks planes OR submarines in ww1. My friend Dennis ate them all.
Most definitely! AE2 was the First ANZAC!
machine guns, submarines and poisen gas
"Guerre de Course", Merchant Ship sinking.
submarines were used in WW1 and the weapons used were torpedos and a deck gun.
Britain, France, Germany, Italy and USA all used submarines during WW1
its too deep for people to go down there but submarines can get down there and film stuff