Answer: The Hartford Convention and the Treaty of Ghent
The War of 1812 was very unpopular in New England because it disproportionately affected the region, which was the most dependent on maritime commerce. The war sparked a resurgence of the Federalist Party in New England.
Explanation: Start date: June 18, 1812
Combatants: United States, Great Britain
End date: February 18, 1815.