War from 1914-1918 that involved 30 countries and used trench warfare. Began after the assassination of Austrian Archduke Franz Ferdinand; Germany, Austria-Hungary v. Britain, France, Russia; America is neutral until 1915 and sides with the Allies.

The losing side of WWI and included Austria-Hungary, Germany, Bulgaria, and Ottoman Empire.

The winning side of WWI and included Gt. Britain, France, Russia, Italy, Serbia, and the United States.

New Weapons used during WWI

System of digging ditches for fighting and living quarter for soldiers. They were muddy, wet, spread diseases, and rat infested.

His assassination sparked the beginning of World War I.

The U.S. did not want to get involved in WWI and did not support either side in the beginning of the war.

All events led to the United States entering WWI EXCEPT:

Secret telegram sent to Mexico from Germany in 1917, promising Mexico land lost to the U.S. if Mexico allied with Germany

A "truce" or agreement to end fighting.

(1918) President Woodrow Wilson's plan for organizing post World War I Europe and for avoiding future wars. It included: self-determination, free trade, no imperialism, no secret pacts, freedom of the seas, arms reduction, creation of world organization/League of Nations.

Established in 1920 to promote world peace and cooperation. It was first proposed in 1918 by President Woodrow Wilson, although the United States never joined the League. It was replaced in 1946 with the U.N.

Treaty that ended WWI in 1918. The treaty stated that Germany had to pay Reparations (payments for damages from war) , Germany could not create military or weapons, and Germany lost land. It was a main cause of WWII.

President of the United States during WWI. He wanted peace & democracy.

Prime Minister of Gt. Britain, wanted to protect the British Empire.

Leader of France, wanted to severely punish Germany for WWI.

Leader of Italy, wanted land to make Italy larger.

All are causes of WWI EXCEPT:

Policy of glorifying military power and keeping an army prepared for war.

Agreement between nations to aid and protect one another.

A policy in which a strong nation seeks to dominate other countries politically, socially, and economically to create colonies and expand empires.

A strong feeling of pride in and devotion to one's country.

payments for damages and expenses caused by the war