... on who was to blame for the war. There were three main causes for the outbreak of war: "(1) the clashing of national interests and ideals in Europe; (2) the maintenance of a system of secret military alliances; and (3) the economic rivalry of the nations of Europe." On June 28, 1914, the heir to the throne of Austria-Hungary, Archduke Francis Ferdinand, was assassinated ... for the islands of Great Britain or Ireland, neutral or not. The German submarines in a two-year span sunk over 225 ships. On May 7, 1915, a submarine sunk the Lusitania, a British liner. Approximately 1,250 passenge...

• Word Count: 2216
• Approx Pages: 9
• Has Bibliography
• Grade Level: High School