![Picture](/uploads/4/2/0/7/42079053/8100719_orig.jpg)
The graph above displays the use of racial slurs in the media from 1850-2010. Note the graph is at it's peak during the Civil War. This measures the racial tension occuring in America before, during and shortly after the Civil War compared to modern times.
http://www.gnxp.com/blog/uploaded_images/racetime1-765890.JPG