How did World War I begin? Militarism Alliances Imperialism Nationalism Assassination of Archduke...

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How did World War I begin?MilitarismAlliances

ImperialismNationalism

• Assassination of Archduke Franz Ferdinand• Sinking of the Lusitania• Zimmerman Note

M-Building up armed forces, getting ready for war.

A-Agreements or promises to defend and help another nation

I-Trying to build up an empire N-Having pride in your country, willing to

defend it

The MAIN Causes

June 1914- The Archduke, heir to the Austrian throne, was visiting Bosnian capital of Sarajevo

Serbian nationalist Gavrilo Princip shoots and kills Ferdinand and wife Sophia

Austria-Hungary declares war on Serbia How did this lead to WWI? Which of the MAIN causes apply?

Assassination of Archduke Franz Ferdinand

May 7, 1915 British liner Lusitania sank by German U-boat

(Unterseeboot) aka a submarine 1,198 die, 128 Americans among the dead US angry and threatens Germany US public turns against Germany Germany defends sinking because they claim

Lusitania was carrying ammunition Germany continues unrestricted submarine

warfare

Sinking of the Lusitania

Telegram from German foreign minister to German ambassador in Mexico

Intercepted by British agents Telegram proposed an alliance between

Mexico and Germany Promised that if war w/ US broke out;

Germany would support Mexico Mexico would get back “lost territory in TX,

New Mexico, and Arizona as a reward

Zimmermann Note