Slavery was at its peak both economically and controversially during the 19th century. The proslavery forces of the south proposed many arguments to defend their institution that they held dear. Legal, religion, and economic arguments were all used to justify their support of slavery. The largest defense of slavery came from the political aspects of it.

Legal arguments and defenses were used more frequently than any means of support. The largest attempts to save slavery came through compromises. Many famous compromises aroused during the 19th century over slavery and the territories. The compromise that stands out more than any other was the Missouri Compromise of 1820 which stated that any new territory above 36°30" would be free, and any territory south of that line would be slave. This settled the argument of slavery for a little while and was a great way of temporarily preserving their institution. Another argument used...