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Well If you have alliances then you have friends to fight your enemies. With alliances, you get some troops or resources. With alliances, you will have a higher chance of winning. -
His death led to a chain of events that led to the outbreak of World War I by early August, and it made them wonder who killed them and got rid of their leader -
Seizing on the assassination of Archduke Franz Ferdinand as a pretext, Austria-Hungary delivered an ultimatum containing unacceptable demands to Serbia on July 23. -
Heavy artillery, machine guns, tanks, motorized transport vehicles, high explosives, chemical weapons, airplanes, field radios and telephones, aerial reconnaissance cameras, and rapidly advancing medical technology and science were just a few of the areas that reshaped twentieth century warfare.
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First Battle of the Marne, (September 6–12, 1914), an offensive during World War I by the French army and the British Expeditionary Force (BEF) against the advancing Germans who had invaded Belgium and northeastern France and were within 30 miles (48 km) of Paris.
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The RMS Lusitania was a UK-registered ocean liner that was torpedoed by an Imperial German Navy U-boat during the First World War on 7 May 1915, about 11 miles off the Old Head of Kinsale, Ireland. 1,197 - number of deaths -
In 1917, Germany adopted a defensive strategy on the Western Front to counter the growing strength of the Allies.