Answer:Before the Civil War, the country was dividing between North and South. Issues included States Rights and disagreements over tariffs but the greatest divide was on the issue of slavery, which was legal in the South but had gradually been banned by states north of the Mason-Dixon line. As the US acquired new territories in the west, bitter debates erupted over whether or not slavery would be permitted in those territories. Southerners feared it was only a matter of time before the addition of new non-slaveholding states but no new slaveholding states would give control of the government to abolitionists, and the institution of slavery would be outlawed completely. They also resented the notion that a northern industrialist could establish factories, or any other business, in the new territories but agrarian Southern slaveowners could not move into territories where slavery was prohibited because their slaves would then be free .
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