Causes of War
Key People & Events
Alliances
Battles & Warfare
Technology & Effects
100

What is nationalism?

Strong pride and loyalty to one’s nation

100

Who was assassinated in 1914?

Archduke Francis Ferdinand

100

What were Germany and Austria-Hungary called?

Central Powers

100

What was the First Battle of the Marne important for?

Stopping Germany from taking Paris

100

What were U-boats?

German submarines

200

What is militarism?

Building up armed forces aggressively

200

Where was he assassinated?

Sarajevo

200

What were France, Russia, and Britain called?

Allied Powers

200

What is trench warfare?

Fighting from deep ditches

200

What new weapon fired 400–600 bullets per minute?

Machine guns

300

What caused competition between European countries overseas?

Imperialism

300

Who killed the archduke?

Gavrilo Princip 

19 year old 

300

What country joined the Allies in 1915?

Italy

300

What is “no-man’s-land”?

Area between trenches

300

What type of warfare used poisonous gas?

Chemical warfare

400

What system caused countries to defend each other?

Alliances

400

What country declared war on Serbia first?

Austria-Hungary

400

What country supported Serbia?

Russia

400

What is a stalemate?

When neither side can win

400

What new vehicles helped end trench warfare?

Tanks

500

Which region caused tension between France and Germany?

Alsace-Lorraine

500

What event sparked World War I?

The assassination of Archduke Francis Ferdinand

500

Why did Britain join the war?

Germany invaded Belgium

500

Name one major battle in 1916

Verdun or Somme

500

What made WWI deadlier than previous wars?

New technology and weapons