Events that led to the Civil War There were several issues that contributed to the split between the northern and southern states. Among these were the deep social, economic and political differences. The split could be traced as far back as the early 1800s, just as the industrial revolution was beginning. Its effects on the north and the south caused the economic split. As the north was becoming more industrialized; the south began to rely heavily on slave labor. This was one of the main reasons, as the southern view on slavery differed greatly from the North. These views were based on drastically different interpretations of the constitution. In the north, machines, interchangeable parts, and mass production were fast becoming a way of life. Northerners began building factories for mass production. These first factories were used for making textiles and later evolved to manufacturing a wide variety of goods. This created several opportunities for jobs. And with immigrants flooding in from Europe, finding employment was no problem. The factory system was efficient and inexpensive for the north to employ a large work force. In the south, cotton was becoming a huge success for the southern farmer. Cotton, being a very laborious crop, required the ownership of many slaves per plantation. Unlike the immigrants of the north, slaves were property. Slaves were also much less of a profit. When a slave became ill he could not simply be replaced, he needed to be cared for, after all, this was the plantation owners property. On the other hand in the north if a worker became to ill to work, there were several immigrants waiting for the job. In 1818, the balance of power in congress was equal. They were represented by ten free states, and ten slave states. Then Illinois became the eleventh free state to join the union, with Alabama following as the next slave state. In 1819, two more states wishing to join the ...