England controlled the seas, having both the largest fleet and the easiest access to the oceans. The German fleet was large but could be easily bottled up so the German High Command saw Submarine warfare as a method of reducing the impact of the English Battleships AND of affecting morale in England by forcing rationing on the population.
unrestricted submarine warfare
the Germans' use of unrestricted submarine warfare
Germany's unrestricted submarine warfare
unrestricted submarine warfare
Germany's submarine warfare was unrestricted. These attacks led to World War I.
unrestricted submarine warfare
Unrestricted submarine warfare by the Germans provoked American involvement, following American involvement other countries joined the melee.
Germany's unrestricted submarine warfare
Submarine warfare is a military tactic used by many nations where submarines are used to attack enemy ships or as a direct deterrent. This was used extensively by the Germans during World War II.
America never wanted to be involved in World War 1 but the Germans introduced unrestricted submarine warfare, and that prompted Woodrow Wilson to ask the American Congress to declare war on Germany.
The Germans' use of unrestricted submarine warfare against the merchant and passenger ships lead to the United States joining allies in WWI. The US had not a chance fighting the Germans alone.
1. Unrestricted Submarine Warfare 2. Sinking of several US ships