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.
Citation:
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 19 June 2013.]