1. World War I

2. Causes of WWI: MANIA
Militarism – policy of building up strong military forces
to prepare for war
Alliances - agreements between nations to aid and
protect one another
Nationalism – pride in or devotion to one’s country
Imperialism – when one country takes over another
country economically and politically
Assassination – murder of Austrian Archduke Franz
Ferdinand

3. Imperialism:
European
conquest of
Africa

4. Causes of World War I - Alliances
Triple Entente: Triple Alliance:
Great Britain Germany
France Austria-Hungary
Tension
Russia Italy

5. Causes of World War I - Nationalism
Pan-Germanism - movement to unify the people of all
German speaking countries
Germanic Countries
Austria * Luxembourg
Belgium Netherlands
Denmark Norway
Iceland Sweden
Germany * Switzerland *
Liechtenstein * United Kingdom
* = German speaking country

7. Causes of World War I - Imperialism

8. Causes of World War I - Imperialism

9. Causes of World War I - Assassination
Archduke Franz Ferdinand and Duchess Sophie
Sarajevo, Bosnia - June 28th, 1914.

10. Causes of World War I - Assassination

11. Causes of World War I - Assassination
Austrian
Archduke
Franz
Ferdinand
was killed in
Bosnia by a
Serbian
nationalist
who believed
that Bosnia
should belong
to Serbia.

12. Allied Powers: Central Powers:
Great Britain Germany
France Austria-Hungary
World War I
Russia Ottoman Empire
Italy

13. Americans Question Neutrality

14. Which side to pick?
US Exports to both sides!
Nations 1914 1915 1916
Britain $594,271,863 $911,794,954 $1,526,685,102
France $159,818,924 $364,397,170 $628,851,988
Germany $344,794,276 $28,863,354 $288,899
Central Powers: Allies:
•11 million German-Americans •Close cultural ties
•Irish-Americans hated Great •Shared transatlantic cables (so censored
Britain stories)
•Big business loaned much $ to allies

15. What will it take to get the U.S. involved?
• Lusitania
– torpedoed, sinking with
1200 passengers and
crew (including 128
Americans)
– German U-Boat

16. What will it take to get the U.S. involved?
• Unlimited Submarine
Warfare
– 1917 Germany
announced “unlimited
submarine warfare” in
the war zone

17. What will it take to get the U.S. involved?
• Zimmerman Telegram
– Intercepted from
Germany to Mexico
– Promised Texas, Arizona,
and New Mexico back in
return for an alliance

18. What did it take to get the
US involved?
•Zimmerman
Note + the
sinking of 4
unarmed
American
ships led to
a
declaration
of war