Presentation on theme: "How did World War I begin?"— Presentation transcript:
1 How did World War I begin? MilitarismAlliancesImperialismNationalismAssassination of Archduke Franz FerdinandSinking of the LusitaniaZimmerman Note
2 The MAIN CausesMILITARISM- aggressive build up of armed forces, as preparation for warALLIANCE SYSTEM- countries agreed to defend each other if attackedIMPERIALISM- caused competition for new markets and colonies in Africa, Asia, and the PacificNATIONALISM- having pride in your country, willing to defend your nation
3 Alliances to know:Central Powers (formerly Triple Alliance) Germany Austria-Hungary Ottoman Empire Bulgaria Triple Entente (later known as the Allies) Great Britain France Russia United States Italy
4 Assassination of Archduke Franz Ferdinand June The Archduke, heir to the Austrian throne, was visiting Bosnian capital of SarajevoSerbian nationalist Gavrilo Princip shoots and kills Ferdinand and wife SophiaAustria-Hungary declares war on SerbiaHow did this lead to WWI?Which of the MAIN causes apply?
6 Sinking of the Lusitania May 7, 1915British liner Lusitania sank by German U-boat (Unterseeboot) aka submarine1,198 die, 128 Americans among the deadUS public angry, turns against GermanyGermany defends sinking Lusitania; said ship was carrying ammunitionGermany continues unrestricted submarine warfareHow long before US declares war on Germany? Some historians ask, “Is the sinking of the Lusitania really a cause?”
8 Zimmermann NoteA German telegram sent to German ambassador in Mexico and intercepted by British agentsTelegram proposed an alliance between Mexico and GermanyPromised that if war w/ US broke out; Germany would support MexicoMexico would get back “lost” territory in TX, New Mexico, and Arizona as a reward