After the War of 1812, the United States was seen as a greater military power because

The United States gained confidence and respect after the War of 1812, especially because of its victory at the Battle of New Orleans. The Treaty of Ghent largely restored the prewar situation, so the war as a whole did not produce a decisive victory. Still, the celebrated battlefield win helped make the country seem like a stronger military power; U.S. land troops had not performed consistently well throughout the war.

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