Put the following battles in order and explain their significance: Lexington and Concord, Bunker Hill, Ft. Ticonderoga, Trenton and Princeton, Long Island, Brandywine and Germantown, Valley Forge, Saratoga, Yorktown, Cowpens

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the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).