Bibliography (revised):

Print sources:
"The Irrepressible conflict." The World Book of Encyclopedia. 1980
.
"The Road to War." World History. 2006.

Primary sources:
"13th Amendment." US Constitution.
<http://virtualology.com/hallofthehistoricarchives/13THAMENDMENT.COM>

Website sources:
Cozzens, Liza. "State of Blacks." After the Civil War: Introduction. June 22, 1998.
<http://www.watson.org/~lisa/blackhistory/post-civilwar/index.html>

Portia, James. "After the Civil War." Still Cooking by the fireside. 1999.
<http://anacostia.si.edu/exhibits/online_exhibitions/food/after_the_civil_war.htm>

"Reconstruction". About.com. 2008.
<http://afroamhistory.about.com/od/reconstruction/Reconstruction.htm>

Norton, R J. "AN OVERVIEW OF ABRAHAM LINCOLN's LIFE."
Abraham Lincoln Research Site. 29 Dec. 1996. <http://home.att.net/~rjnorton/Lincoln77.html>
.
Zeitz, Joshua, ed. "How Slavery Ended." American Heritage. 31 Jan. 2006. <http://www.americanheritage.com/events/articles/web/20060131-slavery-thirteenth-amendment-abraham-lincoln-frederick-douglass-confederacy-civil-war.shtml>