Nationalism is the pride and patriotism in one's nation and the desire to preserve it.
Alliances are signed treaties in which one nation promises to defend another if attacked by an aggressor
Imperialism is domination by one country of the political, economic, or cultural life of another country
The assassination of Archduke Franz Ferdinand of Austria, on June 28th, 1914 "Sparked" WW1
Central powers were Germany, Italy, Austria-Hungary, Ottoman Empire, Bulgaria
The Allies were France, Britain, Russia, and eventually the US
The war was mainly fought in the trenches
The Sussex pledge was Germany telling the US they would stop shooting ships if they got Britain to drop their blockade
The Zimmermann note was a telegram sent by Germany to Mexico to engage in war with the US to keep them out of the war. The letter was intercepted by Britain.
Russia dropped out of the war because of the Russian Revolution
In the trenches, people could get trench foot, trench mouth, and shell shock