 With the failure of British General John Burgoyne's campaign to the Hudson after the Battles of Saratoga in October 1777, the American Revolutionary War in upstate New York became a frontier war.British leaders in the Province of Quebec supported Loyalist and Native American partisan fighters with supplies and armaments.During the winter of 1777–78 Brant and other British-allied Indians developed plans to attack frontier settlements in New York and Pennsylvania.