Andrew Jackson was responsible for opening which of the following opportunities for people?

THE familiar labels "The Age of Jackson" and "Jacksonian Democracy" identify Andrew Jackson with the era in which he lived and with the advancement of political democracy. This honor may exaggerate his importance, but it also acknowledges the important truth that Jackson significantly contributed to shaping the American nation and its politics. Just as contemporaneous artists so often depicted him astride his horse overseeing the battlefield, Jackson bestrode some of the key currents of nineteenth-century American political life.