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Imperialism
It's a system where a nation controls one or more colonies. Colonies mostly existed to profit the person/people in charge. -
Nationalism
Nationalism is a form of loyalty for ones country. Nationalism gave people confidence and had a lot to do with the cause of the World War I. -
Alliances
Britain, France and Russia formed the Triple Entente. Germany, Austria, Hungary, and Italy joined in the Triple Alliance. -
The Assassination of Archduke Franz Ferdinand and Wife
Archduke Franz Ferdinand and his wife Sophie were shot dead by a teenage Serbian boy in Sarajevo. -
Germany's Blank Check to Hungary/Austria
The "Blank Check" was a promise from Germany that they will support whatever decision Austria-Hungary might choose to punish Serbia. This was in response to the assassination of Archduke Franz Ferdinand and his wife. -
WWI Begins
Four days after Austria-Hungary declare war on Serbia, Russia and Germany declare war on each other. The assassination of Archduke Franz Ferdinand and his wife is thought to be what sparked the war. -
Germany's Resumption of Unrestricted Submarine Warfare
The main reason of the War, -
Sinking of the Lusitania
A German U-Boat torpedoed the British RMS Lusitania. 1,100 people died out of the 1,900 people on board. The war would have been over for almost two years, though after this incident many people turned against Germany. -
Zimmerman Telegram
British code breakers interpreted a message from Zimmerman that was for Heinrich Von Eckardt, the German ambassador to Mexico. It gave him a set of instructions. -
US Entry into the War I
President Woodrow Wilson requested a declaration of war against Germany. -
Militarism
Militarism is a philosophy or a system which is very important in military power. Militarism was one of the main causes of the first World War.
