Editors. "The Kansas Nebraska Act". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=10917, accessed 20 April 2014.]
Kansas-Nebraska Act repeals Missouri Compromise (of 1820) and provides for settlement of these territories under popular sovereignty, a situation which immediately leads to 'War for Bleeding Kansas' between free-states and pro-slavery elements.