World War I Extra Review Packet
What were the reasons for the United States’ involvement in WWI?
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Inability to remain neutral
German submarine warfare: Sinking of the Lusitania
United States economic and political ties to Great Britain
The Zimmerman Telegram
MAJOR ALLIED POWERS
 British Empire
 France
 Russia
 Serbia
 Belgium
 United States
(after 1917)
CENTRAL POWERS
 German Empire
 Austro-Hungarian
Empire
 Bulgaria
 Ottoman Empire
How did the United States display leadership as the war ended?
 At the end of World War I, President Woodrow Wilson
prepared a peace plan known as the Fourteen Points that
called for the formation of the League of Nations, a
peacekeeping organization
 The United States decided not to join the League of Nations
because the United States Senate failed to ratify the Treaty
of Versailles
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MILITARISM
ALLIANCES
ASSASSINATION
What were the
five main causes
of WWI?
(“MANIA”)
NATIONALISM
IMPERIALISM
Describe each cause
below:
Militarism
Alliances
Nationalism
Countries had prepared
for war, so when AustriaHungary declared war on
Serbia, others joined
because they were
already ready.
Countries had formed
two alliances; the Allies
and the Central Powers.
Once one country
declared war, the others
were forced to join in.
is having pride in your
nation and believing it to
be better than others. It
caused Gavrilo Princip to
assassinate Franz
Ferdinand.
Imperialism
Assassination
The goal was to get and
keep colonies. Countries
went to war to get
colonies and to keep
other countries from
taking them.
Princip wanted Bosnia to
join with Serbia. He
assassinated Franz
Ferdinand to achieve this
goal and this caused a
declaration of war.
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What caused the United States to
enter World War I?
Unrestricted submarine warfare:
Germany often used torpedoes to destroy ships,
without given a warning or time to get off the boat.
They first told the United States that they would
stop after sinking the Lusitania, but this proved to
be untrue, leading the way to war against Germany.
The Zimmerman Telegram:
This telegram was sent from Germany to Mexico,
requesting an alliance. They promised to give
American land back to Mexico if they joined. The
British intercepted the telegram and informed the
United States, who now realized that Germany had
no intention of keeping peace.
We had a common ancestry and
traded with each other. As we
learned with imperialism, economic
interests influence international
affairs.
Why did the United States favor
Great Britain and France in WWI?
What treaty ended WWI?
Who wrote the
Fourteen Points?
The Treaty of Versailles
U.S. President Woodrow Wilson
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Which organization was established after WWI in hopes of keeping a long and lasting peace?
League of
Nations
The United States Senate failed to ratify the
Treaty of Versailles
What was the
major reason
President Wilson’s
Fourteen Points
failed?
What were some of the new
technologies used on WWI?
 Gas Mask
 Tank
 Airplane
 Submarine
 Trench warfare
The League of Nations was
considered to be like a baby
because it had no…
 Power
 Money
Germany
What country had to pay reparations,
give up land and reduce their military
after World War I?
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