In the context of 1812 that would be Britain.
In 1812, both Upper Canada and Lower Canada were British Colonies.
Spain
Britain
Great Britain
Canada
The invasion of Canada in 1812 consisted of many little battles.
No, the U.S. did not conquer Canada in the War of 1812.
Canada
In Canada.
William Henry Harrison; during the War of 1812, when he was an American soldier.
No, Thomas Jefferson did not invade Canada. While there were tensions between the United States and Britain, particularly during the War of 1812, Jefferson was not involved in any military action against Canada during his presidency. The invasion of Canada during the War of 1812 was primarily led by President James Madison.