New England's secession refers to the potential action of the six New England states (Connecticut, Rhode Island, Massachusetts, Vermont, New Hampshire, and Maine) separating from the United States during the War of 1812.
Related terms
War of 1812: A conflict between the United States and Great Britain that lasted from 1812 to 1815.
Hartford Convention: A meeting held in Hartford, Connecticut in December 1814 by Federalist delegates from northeastern states to discuss grievances related to the War of 1812.
Secession: The act of formally withdrawing or separating from a group or organization.