Short Answer 
Andrew Jackson is hailed as a hero for his leadership during the War of 1812, notably his victory at the Battle of New Orleans, which bolstered American morale. His status as a self-made man during the ‘Age of the Common Man’ and his assertive use of presidential powers contributed to his relatable image and solidified his influence in American politics.
Step 1: Military Leadership in the War of 1812
Andrew Jackson gained recognition as a hero primarily through his remarkable leadership during the War of 1812. His most famous achievement was his role in the Battle of New Orleans, where he successfully led his forces to a decisive victory against the British. This victory significantly boosted American morale and secured his status as a national hero.
Step 2: Embodiment of the ‘Age of the Common Man’
Jackson’s background as a self-made man resonated with the American public, particularly during the period known as the ‘Age of the Common Man’. He was the first president not born to an elite family, which made him relatable to many citizens. His rise to power illustrated the possibilities of social mobility and underscored his representation of the interests of everyday Americans.
Step 3: Assertive Use of Presidential Powers
Jackson’s decisive use of presidential powers further solidified his heroic image. He utilized tools such as patronage and the veto to assert his authority and push his vision for America. His resourcefulness and determination, especially when he defied orders to disband his troops, allowed him to effectively influence the future direction of the nation and serve the interests of his constituents.