The document summarizes key events and causes of World War 1, including the system of alliances between European powers, rise of militarism and nationalism, competition for colonies through imperialism, trench warfare on the Western Front, American entry into the war due to the sinking of the Lusitania and Zimmerman Telegram, America's role in the war, and the Treaty of Versailles that ended the war.

1. Enter
Here

2. Causes of
WW 1
Trench
Lobby
Warfare

3. Trench
Warfare
Why the U.S
Causes of
Entered
WW 1
WW 1

4. Why the U.S. entered the
war
Trench The U.S.
Warfare In the war

5. The U.S.
In the war
Why the U.S.
entered the Treaty of
war Versailles

6. The Treaty of
Versailles
The U.S. in
the war Lobby

7. Alliances
Alliances- forming partnerships with
other nations
The Alliances contained
The central powers which included
Germany, Austria and the Ottoman
Empire (were Turkey is now.
The Allies which included Britain,
France, Russia and later the U.S.
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8. Militarism
Militarism-building up of the military
Military was built up for two reasons.
1) To protect their colonies
2) Peer pressure
-They used a military draft to accomplish
this.
-Russia had the largest army ,Germany had
the best trained, Britain had the largest
navy
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9. Nationalism
Nationalism-pride in ones country
Nationalism in the WW 1 period
-The pan-German movement was the
hope to unite all German speaking
people
- The pan-Slavic movement was the
hope to unite all Slavic(Russian)
speaking people
Example- In Bosnia 95% of people
spoke Slavic but it is controlled by
German speaking Austria.
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10. Imperialism
Imperialism- competition for colonies
European nations were competing for
land.
-They believed that “bigger was better.
Examples- Africa and Bosnia
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11. 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 and dusk attacks would come
they would hit the enemy with artillery
and go over the top of the trenches.
The men had to go through barbwire,
machine gun fire and craters
Problems in the trenches included
mud, rats, smell, body rot, cold,
staying dry, maggots, lice and disease.
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12. Why the U.S. entered WW 1
1. Sinking of the Lusitania
2. Unrestricted submarine warfare
3. Zimmerman's note
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13. Unrestricted
submarine warfare
The Sussex pledge:
Germany promised not to sink any
merchant ships without warning them
first and rescuing the passengers.
By 1917 German is defeating Russia on
the eastern front they want a quick
victory on the western front.
-To do this they use Unrestricted
submarine warfare.
-They sink ALL ships headed toward
allied nations.
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14. Zimmerman’s
Note
Zimmerman was a German official.
-He sent a letter to Mexico asking
them to attack the United States.
-In exchange he promised that
Germany would aid them in retrieving
some of the land that we took from
them(Mexico).
Zimmerman
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15. Sinking of the
Lusitania
The Lusitania was a passenger ship
that was secretly carrying ammunition.
-A German submarine sunk the ship.
-1,198 passengers died (128 were
Americans).
-President Wilson demanded that the
Germans apologize and pay for the
damages.
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16. The U.S. in the
war
General Pershing led the U.S. troops
-By 1917 Germany controller Belgium,
Italy and northern France.
-By 1918 Russia has had a revolution
and they have dropped out of the war.
-By July 1918, the United states has 1
million troops in the war.
-We cut off the German rail lines which
supply there troops.
-We attack through the Argonne
Forest. It takes 47 days and 1.2 million
soldiers. but we cut of there supply
-By October 1918, Germany’s lines are
crumbling.
-In November , the Allies have
captured the high ground and
Germany surrenders on the 11th hour,
the 11th day of the 11th month in 1918.
The war is then over.
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17. Treaty of
Versailles
The treaty that ended the war was the
Treaty of Versailles
The three main results were:
1. Created new colonies
-Russia: Poland, Finland, Latvia, Lithuania,
Estonia.
-Austria-Hungary: Austria, Hungary,
Czechoslovakia, Yugoslavia.
-Ottoman Empire; divided up between the
Allies.
2. Punished Germany:
-They must take full responsibility for the war
and pay for the war(33 billion dollars)
3. Create the League of nations
-A organization of countries designed
to maintain peace and stability.
But it was the treaty was a reason for
WW 2.
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