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THE WAR
Prussia and Germany get along -
Invading
Germany invades Belgium on 4 August -
The explosion
The explosive that was World War One had been long in the stockpiling; the spark was the assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, in Sarajevo on 28 June 1914. -
Delcaring war
declared war on Serbia on 28 July 1914. -
Causes
The main causes of World War I, which began in central Europe in late July 1914, included many factors, such as the conflicts and hostility between the great European powers -
Agreeing
Japan, honouring a military agreement with Britain, declared war on Germany on 23 August 1914. Two days later Austria-Hungary responded by declaring war on Japan. -
The policy
President Woodrow Wilson declared a U.S. policy of absolute neutrality, an official stance that would last until 1917 when Germany's policy of unrestricted submarine warfare - which seriously threatened America's commercial shipping (which was in any event almost entirely directed towards the Allies led by Britain and France) - forced the U.S. to finally enter the war on 6 April 1917. -
The beggining
In America, it was initially called the European War -
World war 1
began on 28 July 1914 and lasted until 11 November 1918. -
THE END
The war ends