sentences:  The invasion reached a peak on December 31, 1775, when the Battle of Quebec ended in disaster for the Americans.In the spring of 1776, 10,000 British and German troops arrived in Quebec, and General Guy Carleton, the provincial governor, drove the Continental Army out of Quebec and back to Fort Ticonderoga.Carleton then launched his own offensive intended to reach the Hudson River, whose navigable length begins south of Lake Champlain and extends down to New York City.