This turned any local conflict into a potential world war.
What is the formation of alliances between countries?
This person attempted to persuade Mexico into attacking the US. His letter got intercepted and roped the US into World War 1.
Who was Arthur Zimmerman?
This country was part of the Allied powers and joined the war in 1917 after remaining neutral for most of it.
What is the United States?
This was signed on November 11, 1918
What is the armistice?
These were the terms of the treaty of Versailles.
What is paying reparations, reducing military, and losing territory claimed by the war?
This escalated tension between Germany and France.
What is the First and Second Moroccan Crises?
This man's death at the hands of a Serbian nationalist exposed the fragile alliances and ethnic tensions that plunged Europe into World War I.
Who was Archduke Franz Ferdinand?
These countries made up the Allied powers.
What is Great Britain, France, the Russia, the United States, and China?
This was signed on June 28, 1919.
What is the treaty of Versailles?
This international organization was created after WWI to promote peace but failed to prevent WWII.
What is the League of Nations?
This caused tensions to escalate between Austria-Hungary and Serbia and Russia, who were very angry as a result of this.
What is the Bosnian Crisis?
The last German Emperor, his aggressive foreign policy and support for Austria-Hungary helped escalate the conflict that became World War I.
Who was Kaiser Wilhelm II?
These were the main countries that made up the Central powers.
What is the German Empire, Austria-Hungary, the Ottoman Empire, and Bulgaria?
This was the first large scale use of poison gas by Germany.
What is the Second Battle of Ypres?
This country was not allowed to join the League of Nations at first, despite being one of the main Central Powers.
What is Germany?
What is the Franco-Prussian war?
This German general gained fame at the Battle of Tannenberg and later became president of the Weimar Republic, appointing Hitler as chancellor in 1933.
Who was General Paul von Hindenburg?
This Allied power signed a separate peace treaty with Germany in 1918 after undergoing a revolution.
What is Russia?
This battle was the longest battle of the war. It lasted 10 months.
What is the Battle of Verdun?
This European empire was broken up after WWI, resulting in the creation of new countries like Czechoslovakia and Yugoslavia.
What is Austria-Hungary?
This event triggered a chain reaction of alliances and escalated the conflict into a World War.
What is the assassination of Archduke Franz Ferdinand?
This general called for an armistice in November 1918.
Who was General Erich Ludendorff?
This lesser known Central power declared war on Serbia in 1914 and fought mainly on the Balkan front with Austria-Hungary.
What is Bulgaria?
This was the last battle of World War 1. Casualties were up to...
What is the Battle of the Sambre, with 1,150 casualties?
This empire dissolved after the war, leading to the creation of separate Middle Eastern countries.
What is the Ottoman empire?