10. Causes of World War I
• Nationalism
-Pride in your country
• Imperialism
-Competing for
colonies
• Militarism
-Building up of the
military
• Alliances
-Forming partnerships
with other nations
11. Nationalism
• Nationalism: Pride in
your country
-PAN-German movement
-the hope to unite all
German speaking
people.
-PAN-Slavic movement
-The hope to unite all
Slavic(Russian)
speaking people.
-EX:Bosnia-95% speak
Slavic language ,yet
it is controlled by
German speaking
13. Militarism
• Militarism: Building up the
military.
-Military was built up for 2
reasons.
1. To protect their colonies
2. Peer pressure
-They used a mandatory draft to
accomplish this.
-Russia had the largest army,
Germany the best trained ,
Britain had the largest navy.
14. Alliances
• Alliances: Forming
partnerships with
other nations.
• Central Powers:
Germany, Austria,
Ottoman Empire.
• Allies: Britain,
France, Russia
(United States)
15. Trench Warfare
• To protect their positions
and to cut down on losses
both sides dug trenches.
• At night ,supplies were
brought in and scouts were
sent out.
• At dawn/dusk attacks
came: hit then with
artillery and then go over
the top.
• Had to go through barbwire,
machinegun fire, craters.
• Problems in the trenches:
mud, rats smell body rot,
cold ,staying dry, maggots,
ice, disease.
16. Why U.S. entered to WW I
1.Sinking of the Lusitania
-It was a passenger ship that was secretly
carrying ammunitions.
-a German submarine sunk the ship
-1,198 passengers died (128 were Americans)
-President Wilson demanded that the Germans
apologize and pay for damages.
2.Unrestricted submarine warfare
-Sussex pledge
-Germany promised not to sink merchant ships
without first warning them and rescuing
passengers.
-By 1917 Germany is defeating Russia on the
Eastern front they want a quick victory on
the western front.
-To do this they use unrestricted submarine
warfare.
-sinking all ships headed toward allied nations.
3.Zimmermann Note
-Zimmermann was a German official.
-He sent a letter to Mexico asking them to attack
the U.S.
17. U.S. in WW I
• General Pershing led the U.S. troops
• By 1917 Germany controlled Belgium
,Italy and N. France.
• 1918 Russia has a revolution and the
troops out of the war.
• Now Germany can concentrate on the
western front.
• By July 1918 of the U.S. have 1 million
troops in the war.
• We cut off the German rail lines which
attack through the Argonne Forest. It
takes us 47 days and 1.2 million soldiers
but we cut off their supply.
• By October ,1918 German lines are
crumbling.
• In November the allies have captured the
high ground and Germany surrenders.
• The 11 hour, the 11 day of the 11 month
in 1918 the war ends.
18. TREATY OF VERSAILLES
• Create new countries
-Russia: Poland, Finland, latria,
Lithuania, Estonia
-Austria-Hungary: Austria, Hungary,
Czech, Yugoslavia.
-Ottoman Empire: Divided up
between the Allies
• Punishes Germany
-Must take full responsibility for the
war.
-Pay for the war $ 33 billion
• Created the league of Nations
-Organization of countries designed
to maintain peace; stability