What 3 things did the north and the south disagree on?

The North and South disagreed on several key issues, including slavery, states' rights, and economic policies. The North opposed the expansion of slavery into new territories, while the South sought to protect and expand the institution. Additionally, the South favored states' rights to govern themselves, whereas the North supported a stronger federal government. Economic differences also emerged, with the North emphasizing industrialization and tariffs, while the South relied on agriculture and opposed tariffs that would raise the cost of goods.