Causes of WW1
Key Events
Warfare & Technology
U.S. Involvement
Vocabulary & Concepts
100

What is nationalism?

This feeling of strong pride in one’s country helped increase tensions in Europe.

100

What is the assassination of Archduke Franz Ferdinand?

This 1914 assassination started WW1.

100

What is a stalemate?

Fighting from trenches led to this type of deadlock.

100

What is neutrality?

At the beginning of WW1, the U.S. followed this policy of staying out of the war.

100

What is an armistice?

This term means an agreement to stop fighting.

200

What is militarism?

This buildup of armies and weapons made countries more prepared for war.

200

What is Austria-Hungary?

This country declared war on Serbia after the assassination.

200

What is the machine gun?

This weapon fired rapidly and made attacks deadly.

200

 What is the Lusitania?

This British passenger ship was sunk by Germany in 1915.

200

What are the Allied Powers?

This group included Great Britain, France, and Russia.

300

What is the alliance system?

This system caused countries to defend each other and expand the war.

300

What is Germany?

This country invaded Belgium to attack France quickly.

300

What is poison gas?

This chemical weapon caused choking and blindness.

300

What is the Zimmermann Telegram?

This telegram tried to get Mexico to fight the U.S.

300

What are the Central Powers?

This group included Germany, Austria-Hungary, and the Ottoman Empire.

400

What is imperialism?

This competition for colonies increased conflict between European nations.

400

What is the Schlieffen Plan?

This plan was Germany’s strategy to avoid fighting a two-front war.

400

What are tanks?

These armored vehicles were used to cross trenches.

400

What is unrestricted submarine warfare?

This policy by Germany led to attacks on U.S. ships.

400

What is No Man’s Land?

This zone between trenches was very dangerous to cross.

500

What is M.A.I.N.?

These four MAIN causes are often remembered by this acronym.

500

What is the First Battle of the Marne?

This battle stopped Germany’s quick advance into France.

500

What is unrestricted submarine warfare?

This new form of warfare used submarines to attack ships.

500

What is 1917?

This year the United States officially entered WW1.

500

What is propaganda?

This propaganda tool was used to influence public opinion during the war.

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