-Urbanization of northern cities such as Baltimore, Pittsburgh, New York, Boston and Philadelphia where farmers migrated to the north to work in factories, causing more industrialization of the cities. -Labor strikes would happen more frequently, with workers risking to lose their jobs but fighting to for their work rights -President Martin Van Buren established a ten-hour working day -German and Irish immigrants in the workplace, as the United States became more of a melting pot -Deepening North-South divide, because of a rapidly-changing North and a South which was still stuck in the era of slavery and cotton-picking