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American citizens died when German submarines sank European ships.
What else can I help you with?
In what war was submarine warfare first used?
The US revolutionary war
What was major factor in the decision US to enter world war 1?
Germany's unrestricted submarine warfare
Why did the US become involved in the Great War?
Un-restricted submarine warfare
What was one unrestricted warfare development that led to US involvement in World War 1?
unrestricted submarine warfare
In early 1917 the US got into World War 1 because?
Submarine Warfare
The US decided to enter the war in response to?
Germany's return to unrestricted submarine warfare.
What kind of warfare did the Germans use to keep the US from entering the war against them?
submarine
The US tried to avoid involvement in world war 1 by following a policy of what?
When World War One developed, the US followed a policy of neutrality towards the nations involved in that conflict. In 1917, however, the German announcement that it would resume unrestricted submarine warfare pushed the US into the war against Germany and her allies.
Why was the US fighting in World War one?
1. Unrestricted Submarine Warfare 2. Sinking of several US ships
What role did Submarine Warfare have in regards to World War 1 and the US entering war?
A submarine sunk the liner 'Lusitania'. Many Americans died. USA was horrified, declared war on Germany.
The US entered the war on the side of the allies because Germany?
announced its policy of unrestricted submarine warfare
What were the factors leading to US involvement in the Great War?
The announced resumption of un-restricted submarine warfare.
