Who are some people who opposed war with Britain?

Some notable figures who opposed war with Britain during the lead-up to the War of 1812 included President James Madison, who initially sought diplomatic solutions, and prominent politicians like John Quincy Adams and Daniel Webster, who advocated for peaceful resolutions. Additionally, many Federalists in New England opposed the conflict due to economic concerns and their strong ties to Britain. This opposition highlighted the divisions in American society regarding the necessity and justification of the war.