Fort Detroit the Native Americans to trap and hunt, as well as rendering them less of a threat. The British colonists did not emphasize maintaining good relationships with the Native Americans. But the French Canadians had formed many families through intermarriage and knew about the Native American custom of giving gifts. After the French left the conflict, Pontiac war-leader of the Ottawa, rallied several tribes in Pontiac's Rebellion. He attempted to capture Detroit from the British on May 7, 1763. They failed to capture the fort, as the British were forewarned of the attack, but did lay siege to it (see the
Siege of Fort Mackinac communities such as the Wyandots near Detroit, who had been friendly to the Americans or neutral, to rally to the British cause. Their hostility influenced the U.S. surrender at the Siege of Detroit shortly afterwards. Lieutenant Hanks was killed by a cannon shot at Detroit shortly before the surrender, while awaiting a court martial for cowardice. British control of Fort Mackinac and northern Michigan was not seriously challenged until 1814 when a large American force was dispatched to retake control of the area. However, the American force was defeated in the Battle of Mackinac Island and the Engagements on Lake