MAIN Causes & Spark
Alliances and Strategies
U.S. Entry into WWI
Global War & Homefront
Treaty of Versailles & Aftermath
100

This “spark” event on June 28, 1914, in Sarajevo set off the chain reaction that became World War I.

What is the assassination of Archduke Franz Ferdinand?

100

This pre‑war partnership included France, Russia, and the United Kingdom and was sometimes called the Entente.

What is the Triple Entente?

100

This U.S. foreign policy meant avoiding involvement in other countries’ affairs before 1917.

What is isolationism?

100

This term describes fighting from fortified ditches that dominated the Western Front.

What is trench warfare?

100

This 1919 peace agreement punished Germany heavily and helped set the stage for World War II.

What is the Treaty of Versailles?

200

This Serbian nationalist and member of the Black Hand fired the shots that killed the Archduke.

Who is Gavrilo Princip?

200

On August 4, 1914, Germany invaded this neutral country, drawing Britain into the war.

What is Belgium?

200

This opposite policy describes using pressure or force to get involved in another nation’s affairs.

What is intervention?

200

This concept describes WWI as a conflict where the lines between soldiers and civilians blurred and whole societies were mobilized.

What is total war?

200

These payments, demanded from a defeated country to cover war costs, crashed the German economy.

What are reparations?

300

This MAIN cause is defined as “extreme pride in your nation and the belief your nation is better than others.”

What is nationalism?

300

Germany, Austria‑Hungary, and the Ottoman Empire fought together under this name.

What are the Central Powers?

300

President Wilson cited this German naval policy against merchant ships as the main reason the U.S. entered the war.

What is unrestricted submarine warfare?

300

During WWI, this type of communication spread biased messages to shape public opinion and rally support.

What is propaganda?

300

After the war, the Ottoman Empire was broken apart, and Britain and France gained territories in this region, especially around Palestine and the Mediterranean.

What is the Middle East?

400

This acronym is often used for the long‑term causes of WWI: militarism, alliances, imperialism, and nationalism.

What is MAIN?

400

This German war plan aimed to defeat France quickly by attacking through Belgium and then turning east against Russia.

What is the Schlieffen Plan?

400

In May 1915, the sinking of this British passenger ship with Americans on board helped turn U.S. opinion against Germany.

What is the Lusitania?

400

WWI became global in part because imperial powers drew in these people from places like India, Africa, and the Pacific to fight and labor for them.

Who are colonial troops (or colonial subjects)?

400

After WWI, Germany ignored military limits and rebuilt its forces, feeding this emotion that many Germans felt toward the treaty.

What are hatred and resentment (or contempt)?

500

Before WWI, these early 1910s conflicts weakened the “sick man of Europe” and made Serbia more confident in challenging Austria‑Hungary.

What are the Balkan Wars?

500

Germany courted this empire for strategic access to the Mediterranean and Middle East and to help fight the British and Russians.

What is the Ottoman Empire?

500

This intercepted German message encouraged Mexico to attack the United States and helped push America toward war.

What is the Zimmerman Telegram?

500

One devastating effect of total war on civilians was this campaign of mass killing against Armenians in the Ottoman Empire.

What is the Armenian Genocide?

500

This concept, promoted by Woodrow Wilson, said that peoples should be able to choose their own government and political status.

What is self‑determination?

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