The letter "K"
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The Triple Alliance consisted of Austria-Hungary, Italy, and Germany.
That means that the correct answer is Great Britain, as that nation was not apart of the Triple Alliance. The Triple Alliance lasted from 1882 to 1915. It ended due to Italy entering World War I with the plan of hostility towards Austria-Hungary and Germany.
The answer is the Glorious Revolution of 1688
He brought French culture to England, he changed the official language of England to French, He ordered a detailed survey of land ownership