The most important advantage in the north was the industrialization. This was the most important because weapons and other equipment were easier to manufacture.
The most important advantage of the south was that they were fighting on their land, so it was familiar to them. This was the most important because the southerners were in a space that they knew/could navigate better.
Growing wealth and dividing it between the rich and poor
Laws were interpreted and implied as each state saw fit and sometimes not at all
