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In WW1, the German policy of unrestricted submarine warfare irritated neutral nations such as the United States and eventually helped public opinion to support the US entry into the war.

In WW2 the German policy of unrestricted submarine warfare in the Atlantic irritated nominally neutral nations such as the United States and provided a rationale for increasing US support of Britain and its allies.

In WW2 the American policy of unrestricted submarine warfare in the Pacific probably contributed to the degradation of Japanese economic capabilities as the war progressed.

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12y ago
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15y ago

We warned them not to return to "un-restricted warfare." They did it anyway; we declared war.

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12y ago

it referred to sinking ships

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Q: What role did unrestricted submarine warfare have on the us during world war 1?
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The united States entered World War 1 largely over the issue of?

unrestricted submarine warfare


What was Germany attempting to accomplish by returning to its policy of unrestricted submarine warfare?

During World War I, Germany's goal in returning to unrestricted submarine warfare in 1917 was, quite simply, to bring the long war to a quick end. Realizing that this decision could bring war with the United States, German leaders calculated that their submarines would end the war before American involvement could make a difference.


Were Americans Universal in their desire to enter World War 1?

No. Its reason for joining the War is because the three ships that were, sank shot by Germany as they used the illegal power (unrestricted submarine warfare). Alvin Saptauli


How might unrestricted submarine warfare have led to US entry into World War I?

Unrestricted submarine warfare by Germany during World War I was a significant factor in the US entry into the war. The sinking of American civilian ships, such as the British liner RMS Lusitania in 1915, which resulted in the loss of American lives, created public outrage in the United States. This, combined with intercepted German communications proposing a military alliance between Germany and Mexico, known as the Zimmerman Telegram, ultimately pushed the US to declare war on Germany in 1917.


What caused World War 2 rationing?

Germany started a U-boat blockade of Britain and declared 'unrestricted submarine warfare' in 1915. This led to shortages of food and rationing had to be introduced.

Related questions

The united States entered World War 1 largely over the issue of?

unrestricted submarine warfare


What was major factor in the decision US to enter world war 1?

Germany's unrestricted submarine warfare


What was one unrestricted warfare development that led to US involvement in World War 1?

unrestricted submarine warfare


Germanyhope that there submarine warfare and Attacks would lead to?

Germany's submarine warfare was unrestricted. These attacks led to World War I.


The major reason for America's decision to enter World War 1?

unrestricted submarine warfare


What nation violated Americas freedom of the sea?

Germany violated the United States freedom of the seas during World War I with its unrestricted submarine warfare.


Was a major factor in the decision of the US to enter World War 1?

Germany's unrestricted submarine warfare


Why was the US fighting in World War one?

1. Unrestricted Submarine Warfare 2. Sinking of several US ships


What caused the United States to join the Allies in fighting World War 1?

the Germans' use of unrestricted submarine warfare


What is 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.


What German policy contributed to the US's entry into World War 1?

Unrestricted submarine warfare (in the Atlantic).


What event lead to the US involvement in world war 1?

Unrestricted Submarine Warfare, Sinking of the Lusitiana, the Zimmerman Telegram, and Political ties to Interviews.