Whigs (Carry-over from Federalist party, split over slavery), Know-Nothing Party (America Party, fearing outsiders, split over slavery), Free-Soil Party (Split from Democrats, opposed from slavery in new territories, mainly against the unfair competition of free labor), Democrats (Generally pro-slavery, wanted to expand slavery, pro immigration, more in Southern US but also in North. John C Calhoun, President Buchanan), and the Republican Party (Opposed expansion of slavery, became party of “anti-slavery,” began in Wisconsin. Abraham Lincoln)