 After killing a number of the militia and driving off the remainder, Brant's forces destroyed much of the settlement.New York's defenders retaliated against Brant's actions against Cobleskill and other communities by destroying Iroquois villages later in the year, and Continental Army forces destroyed more Iroquois villages in the Sullivan Expedition of 1779.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.