Presentation on theme: "April 27, 2015 Monday What “caused” World War I?"— Presentation transcript:
1 April 27, 2015 MondayWhat “caused” World War I?Who were the Allied Powers and the Central Powers?Why and when did the United States enter World War I?
2 LT: Understand background information about world war 1, in order to understand its impact on the current world.
3 Causes of ww1 – mania!Militarism – policy of building up a strong military to prepare for warAlliances – agreements between nations to provide aid and protect one anotherNationalism – extreme pride in one’s countryImperialism – when one country takes over another country economically and politicallyAssassination – of Austrian Archduke Franz Ferdinand
4 Militarism 1910-1914: Increase in Defense Spending France 10% Britain 13%Russia39%Germany73%What looks suspicious about these numbers?
5 Defense AlliancesEuropean powers formed rival alliances to protect themselvesTriple Alliance: Germany, Austria-Hungary, ItalyTriple Entente: Great Britain, France, RussiaPROBLEM? One event could drag all countries involved into a conflict.
11 World War Central Powers Allied Powers Great Britain Germany France RussiaU.S.A.BelgiumSerbiaGreeceRomaniaMontenegroPortugalItalyJapanGermanyAustria-HungaryOttoman EmpireBulgariaAzerbaijanUkraineItaly left the Triple Alliance for the Allied Powers because the Triple Alliance was originally a defensive pact, and Italy did not want to go to war. Also, Italy had just fought a war against the Ottoman Empire (Italo-Turkish War) which was strongly backed by Germany.
12 U.S. Involvement Initial position was neutrality -President Woodrow Wilson believed that all Americans needed to “act and speak in a spirit of neutrality”-Most Americans felt Europe was too far away, and the conflict was not trustworthy
13 Sinking of the lusitania May 17, 1915-British ocean liner Lusitania is fired upon and sunk by German U-boats off the coast of Ireland.-1,198 passengers killed (mostly civilian), including 128 Americans-Broke international agreements regarding unrestricted warfare-Enraged Americans and Allies
14 Zimmerman telegram January 1917 -Secret German telegraph sent to Mexico-asking for help from Mexico in fighting America in future war-British intercept letter and share with U.S.-Mexico quickly chooses not to join Germany
15 Fighting becomes stalemate What is a stalemate-Neither side can make a move to winReasons:-19th century tactics, 20th century weapons-Trench warfareLife in a TrenchResults:-Millions die without gaining ground
19 Results of ww1 Germany surrenders Treaty of Versailles 1919 -Declares Germany guilty for war-Germany must pay reparations to Allied PowersStage is set for WW2League of Nations formed to prevent future war
20 casualties Total troops mobilized by all countries in WW1 65,038,810 Total troops dead from all countries in WW18,556,315Total troops wounded from all countries in WW121,219,452Total troops missing or POWs7,750,945