Amsco saqs provide one piece of evidence from the mid 19th century that is not included in the excerpts and explain how it supports the interpretation in either excerpt

We could say that the growth of the cotton industry and the expansion of slavery into new states such as Alabama and Mississippi this ended hope's for a very gradual end to slavery so its opponents had the necessity to stop it from spreading to the new lands of the Louisiana Purchase. However, by the year of 1818 the northern states had a majority of growing immigrants in the House.