American Manifest Destiny proclaimed that it was a God-given right that the United States would expand its republican liberties over the whole of the continent.
Yet the spread of American liberties erupted into a feud over what to do with the institution of slavery as the nation expanded, especially during the 1840's and 1850's.
Address the expansion of slavery into new territories by addressing the events and issues which both created this division and led to southern secession in 1860.