Which Was Not True of the Battle of New Orleans

Which was not true of the Battle of New Orleans?

A) The troops were led by Andrew Jackson.
B) The Americans suffered less than two dozen casualties, while the British had over 2,000.
C) The battle turned Jackson into an instant military hero.
D) The battle occurred before the treaty ending hostilities between Britain and the United States was signed by the two nations.
E) It actually took place after an agreement had been reached to end the war.