1. Causes of WWI
By: Ms. A 

2. Militarism
To protect all their land, countries began strengthening their armies and navies
Militarism is the building of a strong military to frighten or defeat other countries

3. Alliances
An alliance is an agreement nations make to support and defend each other
The two most important alliances were the Allied Powers (Russia, France, Great Britain, Italy, Serbia) and the Central Powers (Germany, Austria-Hungary, Bulgaria, Ottoman Empire)

4. Imperialism The desire for more land
Many European countries (and the US) were starting colonies in other parts of the world

5. Nationalism
The belief that your country deserves more success than others
This made countries like Germany, Russia, and France compete for land and power

6. Alliance Map

7. WAR!
In 1914, A-H declared war on Serbia because on a visit to Bosnia, their Archduke was assassinated by a Serbian rebel
That caused the chain reaction….