No one (or not many); a fairly low profile war.
the war of 1812
The war of 1812.
War of 1812 (June 1812 - February 1815)
War of 1812
War of 1812 (June 1812 - February 1815)
War of 1812 (June 1812 - February 1815)
The Civil War.
The War of 1812. The British sent observers to the Confederate side during the American Civil War, but never actually got involved.
American shipping was curtailed by the war which severely hurt the northern economy.
There was substantial support for the War of 1812, and the population was equally divided on the Mexican American War.
The British
1812