U-boats are submarines. They were used for Guerre de Course (commerce raiding) and scouting.
'U-boats' was the name given to German submarines in both the first and second world war.
U-boats.
The U-boats were the name of the three boats that the Germans sunked.
Germany had a very powerful Navy during World War One, because their U-Boats (Submarines) were the most efficient and they were the first to make them. And so they had lots of U-Boats which gave them an advantage. Arguably Germany had the strongest Navy in both World Wars. (1 and 2)
Sinking civilian ships without warning (un-restricted submarine warfare).
U-boats=Submarines
'U-boats' was the name given to German submarines in both the first and second world war.
The Germans manufactured the u-boats.
Germany
Germans
They had over 1,000 U-Boats They had over 1,000 U-Boats
U-boats
really big
U-boats
Sinking merchant ships.
no they destroyed them
They are actually called 'u-boats', and they were employed by the german military.