Answer:
A. It made Andrew Jackson a national hero.
Step-by-step explanation:
The Battle of New Orleans was a bloody fight (war) between the army of the United States of America led by General Andrew Jackson and the British army General Edward Pakenham. The Battle of New Orleans started on the 8th of January, 1815 i.e it took place about 3 weeks after the signing of the Treaty of Ghent and was formally ended on the 26th of January, 1815.
The efforts of the British army to take capture and gain unrestricted control over the American fort was thwarted in the Battle of New Orleans by General Andrew Jackson and as such brought him a national fame. Also, Andrew Jackson later became the president of the United States of America.
Hence, an effect of the Battle of New Orleans was that, it made Andrew Jackson a national hero.