Guerre de Course (Merchant Warfare).
German submarine Deutschland was created on 1917-02-19.
on feb 1 1917 German government decided to begin submarine warfare unrestricted
The renewal of unrestricted German submarine warfare had devastating effects on shipping in 1917. In terms of tonnage, the Germans sank 540,000 tons in February 1917, 578,000 in March and 874,000 tons in April. Anti-submarine measures by the Allies, however, began to reduce this calamity.
A Submarine Destroyer - 1917 was released on: USA: 24 September 1917
The Submarine Chasers - 1917 was released on: USA: 16 July 1917
The Submarine Eye - 1917 was released on: USA: 27 May 1917
German is. Submarine is not. "A German submarine surfaced in the North Sea."
The Submarine Mine-Layer - 1917 was released on: USA: 14 May 1917
The Cross Eyed Submarine - 1917 was released on: USA: 18 October 1917
A One Man Submarine - 1917 was released on: USA: 5 April 1917
We entered World War 1 because of a German submarine attack on U.S. merchant ships in 1917.
He declared to set his soldiers on an undercover mission to kill there leader