Why was Andrew Jackson's battle at New Orleans unnecessary?

Question

Why was Andrew Jackson's battle at New Orleans unnecessary?

SS10.5.10
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The Native Americans were planning to surrender the land.
The British had already won the war after attacking Maine.
The Treaty of Ghent had already been signed, ending the war of 1812.
The Americans had already won the war with a victory in New York.

Answer 1

The Treaty of Ghent had already been signed, ending the war of 1812.

Answer 2

Why was Andrew Jackson's battle at New Orleans unnecessary?

The Treaty of Ghent had already been signed, ending the war of 1812.

The correct answer is: The Treaty of Ghent had already been signed, ending the war of 1812