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The First World War.
War involving nearly all the nations of the world. -
Allies
United states -
Why did it take so long for America to get involved in the war?
In this cartoon "The Great Wall" (1914) the Monroe doctrine is shown as a protective shield for the united states. -
The First World War.
Franz Ferdinand, Archduke of Austria and his wife Sophie, Duchess of hohenberg one hour before their deaths -
Blockades
Germany told Americans to stay off British warships, and they could and would sink them -
WW1
HMS renown seen from another British warship. -
WW1
Germany announced "unlimited submarine warfare" in the war zone.