When you are trying to win a war, the enemy's supply lines are one of your most important targets. By sinking US merchant ships carrying food and weapons to England, the German submarines were helping the German war effort.
anonymous
Warships traveled with merchant ships for protection
Guerre de Course, merchant warfare.
On March 24, 1916. The German submarine UB-29 torpedoed the French civilian passenger ferry SS Sussex in the English Channel.
A submarine is to spy on ship movements and if necessary sink ships
We entered World War 1 because of a German submarine attack on U.S. merchant ships in 1917.
The formation of several ships intended to provide protection against submarine attack was called a wolf-pack.
anonymous
October 31, 1941
America's support of the allies led Hitler to attack American ships.
America's support of the allies led Hitler to attack American ships.
America's support of the allies led Hitler to attack American ships.
On January 31, 1917, Germany announced the renewal of unlimited submarine warfare in the Atlantic They announced that German torpedo-armed submarines are prepared to attack all ships, including civilian ships, that were in war-zone waters.
German u-boats attacked the ships by going up to them and shooting cannons at them and then the ships would fall deep under the sea.
'42-'44
War material.
German is. Submarine is not. "A German submarine surfaced in the North Sea."