Twenty-seven nations in europe have no trade barriers because of ?
A. NAFTA
B. global interdependence
C. the EU
D. protectionism

Hartford convention:

The Hartford Convention resulted in a declaration calling on the Federal Government to protect New England and to supply financial aid to New England's badly battered trade economy

treaty of ghent:

The Treaty of Ghent was signed by British and American representatives at Ghent, Belgium, ending the War of 1812. By terms of the treaty, all conquered territory was to be returned, and commissions were planned to settle the boundary of the United States and Canada.

battle of lake champlain:

American naval forces, under the command of Commodore MacDonough, defeated a British fleet at Lake Champlain. With the war in Europe over, the British gained an additional 18,000 troops in Canada

Battle of Chippawa: this was a victory for the United States Army in the War of 1812, during its invasion on July 5, 1814 of the British Empire's colony of Upper Canada along the Niagara River. The battlefield is preserved as a National Historic Site of Canada.

notes: hope this helps and that the previous questions helped as well ^-^