…extensive waterfront. Sugar, tobacco and cotton β all valuable commodities produced by unfree labor β lined the cityβs warehouses. By 1855, Brooklyn was central to the business of slavery. As sectional tension intensified, Brooklynites were divided on the issue of slavery. Residents were tested as a series of crises on slavery unfolded: the Kansas-Nebraska Act (1854), the Dred Scott Decision (1857), and the Harpers Ferry Raid (1859). By the end o…