Why was Andrew Jackson important during the War of 1812? He and his naval squadron gained control of Lake Erie, allowing an American army to invade Canada.

He and his army defeated a combined British and Native American force that resulted in the death of Tecumseh.

He and his army prevented the British from capturing New Orleans and controlling the Mississippi River.

He and his ship, the U. S.S. Constitution, won all of its naval battles, showing the British that the U. S. Navy could rival them.