For the bulk of the early 19th Century, slaveholders in the South had a deep fear that a slave revolt would erupt and metastasize, leading to an eradication of the institution, similar to what happened in Haiti in the first years of the 19th Century. In 1859, John Brown, one of the instigators in Bleeding Kansas, would attempt to lead such a revolt, starting at a federal armory in Harpers Ferry, Virginia. The immediate effects of his raid would pale in comparison to its impact over the course of the following two years. Read more
In the 1820s and 1830s, Working Men’s political parties emerged, changing the discourse of the two major political parties, the Democrats and Whigs. From Philadelphia outward, “Working Men’s political parties sprang up in various places . . . , fed by the discontents of journeymen under the impact of industrialization.” Daniel Walker Howe, What Hath God Wrought: Transformation of America, 1815-1848, 539 citing Sean Wilentz, Chants Democratic: New York City and the Rise of the American Working Class (New York, 1984), 109.