England
In the context of 1812 that would be Britain.
In 1812, both Upper Canada and Lower Canada were British Colonies.
Spain
Britain
General William Hull did not invade Canada during the War of 1812; instead, he led an unsuccessful campaign to capture Canada from the United States. In 1812, Hull crossed the Detroit River into Canada but faced a series of challenges, including a lack of supplies and troops. Ultimately, he retreated to Detroit, where he surrendered to British forces in August 1812. This defeat marked a significant early setback for the U.S. in the war.
Great Britain
Canada
No, the U.S. did not conquer Canada in the War of 1812.
The invasion of Canada in 1812 consisted of many little battles.
In Canada.
Canada
William Henry Harrison; during the War of 1812, when he was an American soldier.