Unrestricted submarine warfare is a type of http://www.answers.com/topic/sea-power in which http://www.answers.com/topic/submarine sink merchant ships without warning, as opposed to attacks per http://www.answers.com/topic/prize-law-1 regulations. While providing the submarine with strongly increased lethality and greater chances of survival against its hunters, it was also considered by many as a substantial breach of the rules of war, especially when employed against http://www.answers.com/topic/neutral-country vessels in a war zone. There have been three major campaigns of unrestricted submarine warfare: # The http://www.answers.com/topic/battle-of-the-atlantic-1914-1918-1 during http://www.answers.com/topic/world-war-i, waged intermittently by http://www.answers.com/topic/Germany between 1915 and 1918 against http://www.answers.com/topic/united-kingdom and her allies. This warfare was also ostensibly the casus-belli for the http://www.answers.com/topic/united-states entry into the war in 1917. # The http://www.answers.com/topic/battle-of-the-atlantic-1939-1945-1 during http://www.answers.com/topic/world-war-ii between 1939 and 1945, waged by Germany, mainly against Britain and her allies. # The http://www.answers.com/topic/pacific-war during http://www.answers.com/topic/world-war-ii between 1941 and 1945, waged by the United States against Japan. All the three cases centered around attempts to navally blockade countries (Britain, Japan) heavily depending on merchant shipping to supply their war industries and feed their populations, even though the countries waging the unrestricted submarine warfare were unable to institute a typical http://www.answers.com/topic/blockade. I hope this is good =)
unrestricted submarine warfare
Germany's unrestricted submarine warfare
it was Germany.
Order of events that describes changes in Germany's policy of unrestricted submarine warfare:unrestricted submarine warfareAmerican ultimatummoratoriumcancellation of the Sussex Pledge
Germany practiced unrestricted submarine warfare.
unrestricted submarine warfare
Help end the British blockade
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To get the blockade lifted.
it referred to sinking ships
Germany's submarine warfare was unrestricted. These attacks led to World War I.
Unrestricted Submarine Warfare.