| However, another aspect of total war, unrestricted submarine warfare, caused the USA to enter the war and to a degree negate success in the east. |
|
| This would later develop into unrestricted submarine warfare. |
|
| By the spring of 1917, Germany had resumed the practice of unrestricted submarine warfare, sinking merchant ships in international waters. |
|
| The pledge was upheld until February 1917, when unrestricted submarine warfare was resumed. |
|
| In Germany, meanwhile, Bethmann had succeeded, with difficulty, in postponing the declaration of unrestricted submarine warfare. |
|
| During World War I, Harden advocated unrestricted submarine warfare and the appointment of Adm. Alfred von Tirpitz as imperial chancellor. |
|
| A resumption of unrestricted submarine warfare in 1917 raised the prospect of Britain and its allies being starved into submission. |
|
| Since there was limited response to this tactic of the British, Germany expected a similar response to its unrestricted submarine warfare. |
|
| Finally, in early 1917, Germany adopted a policy of unrestricted submarine warfare, realising that the Americans would eventually enter the war. |
|
| German planners estimated that unrestricted submarine warfare would cost Britain a monthly shipping loss of 600,000 tons. |
|
| However, he also repeatedly warned that the United States would not tolerate unrestricted submarine warfare, in violation of international law. |
|
| In January 1917, Germany resumed unrestricted submarine warfare, realizing it would mean American entry. |
|
| The first was the use of unrestricted submarine warfare to cut off Allied supplies arriving from overseas. |
|
| In early 1917 the Germans had resumed unrestricted submarine warfare in a bid to achieve victory on the Western Approaches. |
|
| On 31 January 1917, it was announced to the German Reichstag that unrestricted submarine warfare would resume the next day, 1 February. |
|
| Following Germany's resumption of unrestricted submarine warfare on February 1, 1917, countries tried to limit or even abolish submarines. |
|
| Following the use of unrestricted submarine warfare by Germany in the First World War, countries tried to limit, even abolish, submarines. |
|
| In this view, the most important consequence of Jutland was the decision of the Germans to engage in unrestricted submarine warfare. |
|
| They would hold fast on the Western Front but engage in unrestricted submarine warfare in the Atlantic against British and Allied shipping which was bringing essential war material to Great Britain. |
|
| When Germany adopted unrestricted submarine warfare in February 1917, shipping losses soon forced the diversion of destroyers from fleet duty to convoy protection and antisubmarine warfare. |
|
|
|
| In January 1917, Kaiser Wilhelm II, the country's leader, was convinced that Britain could be starved in five months if U-boats were allowed to engage in unrestricted submarine warfare. |
|
| Before the war, it was assumed that even if the Germans again resorted to unrestricted submarine warfare, this threat could be met with comparative ease using new technology combined with convoy and air support. |
|
| On 9 April 1917, the last significant villages screening the Hindenburg Line were captured, three days after German unrestricted submarine warfare had caused the United States to declare war on Germany. |
|
| Due to these failures, on 4 February 1915, the Germans initiated unrestricted submarine warfare, in which, in addition to enemy ships, all neutral ships could be attacked. |
|
| Alternating between restricted and unrestricted submarine warfare in the Atlantic, the Kaiserliche Marine employed them to deprive the British Isles of vital supplies. |
|
| After the liner Lusitania was sunk in May 1915, drowning over 100 American passengers, protests by the United States led Germany to abandon unrestricted submarine warfare. |
|
| As the likelihood of unrestricted submarine warfare has diminished, thinking about conventional submarines has focused on their use against surface warship. |
|
| Although the Germans won a tactical victory, their main fleet narrowly escaped destruction and they once again laid their hopes on the unrestricted submarine warfare. |
|
