The assassination of Archduke Ferdinand an his wife by a

Serbian revolutionary

Which incident began World War I?

Many fought in a network of trenches

on one of the three fronts

How did soldiers fight this war?

Sample answer: a long ditch

What does a trench remind you of?

Miserable

What do you think it would be like to live for days in a

trench?

To help and protect each other in case of war

Why did the nations of Europe form alliances?

Allied Powers: Central Powers:

Great Britain Germany

France Austria-Hungary

Russia Turkey

Italy Bulgaria

United States

Japan

Which countries belonged to the Allied Powers?

Which countries belonged to the Central Powers?

The Central Powers included Germany, Austria-Hungary, Turkey, and later

Bulgaria

What nations were included in the Central

Powers?

The Allies included Britain, France, Russia, Italy, and

eventually, the United States and Japan

What nations were included in the Allies?

Each alliance wanted to keep the other from getting too strong

The European alliances wanted to keep a “balance

of power.” What does that mean?

The assassination of archduke Francis Ferdinand sparked the

first World War.

What event directly triggered World War I?

Europe

Tensions between two countries were growing, and by 1914 ______ had divided itself into two

sides.

Germany

France wanted to get back at _____________ for losing

the provinces of Alsace and Lorraine.

Russia

______ and Austria-Hungary disagreed about the

borders and control of areas, including the Balkans.

Weapons

Countries raced to keep up with the latest ____________.

Austria-Hungary

Archduke Ferdinand was the next ruler of

____________.

Serbia

Austria-Hungary blamed ______ for the killing, and

declared war.