what were Andrew Jackson’s greatest achievements as president? What were his most consequential shortcomings?

Andrew Jackson made greatest achievement as president such as he efficiently commanded the US armies targeting Native Americans with in Civil War. Another great achievement he made was that  at the Battle of New Orleans, Jackson dealt the Britons a humiliating setback. After South Carolina declared that the Federal Tariffs signed into law by Andrew Jackson were unconstitutional, the Nullification Crisis arrived in 1832. This was his fault because he was taxing the unconstitutional Americans, which means they were not fair.

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congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.