MAP ACTIVITYMap 7.1 The War in the North, 1775–1778 After battles in Massachusetts in 1775, rebel forces invaded Canada but failed to capture Quebec. The British army landed in New York in 1776, causing turmoil in New Jersey in 1777 and 1778. Burgoyne attempted to isolate New England, but he was stopped at Saratoga in 1777 in the decisive battle of the early war.READING THE MAP: Which general’s troops traveled the farthest in each of these years: 1775, 1776, and 1777? How did the availability of water routes affect British and American strategy?CONNECTIONS: Why did the French wait until early 1778 to join American forces against the British? What did France hope to gain from participating in the war? (See page 186.)