i...have no idea
there are tons of other websites that will give you that answer but the main reason was because of slavery issues between the north and the south. the north was anti slavery and the south was pro slavery.
mostly slavery
mostly slavery
They disagreed on economical issues, cultural issues, and constitutional/government issues.
Extension of slavery into the new Western territories, and the balance of power between North and South in Congress.
Slavery
One way in which Lincoln attempted to reassure the South about his stance on slavery was by telling the South he had no intention to interfere with slavery where it already existed. The American Civil War was fought from 1861 to 1865.
Slavery! The SOuthern States had the cotton industry that the North depended no.
the north did. the south had slavery, the north did not.
the north have slavery but the south did have slavery
Northern workers opposed slavery; southern planters support it
The North South conflict in the United States of America was over slavery. The South wanted slavery and the North wanted to abolish slavery.