The two different Eras were very different in the treatment of African-Americans. There was a lot more violence during the Reconstruction. While when it was the Civil Rights Era it was pretty much the opposite. African-Americans were being violent in some ways to get their freedom.
Image source: http://commons.wikimedia.org/wiki/File:Boulevard_du_Temple_by_Daguerre.jpg
Image source: http://commons.wikimedia.org/wiki/File:Boulevard_du_Temple_by_Daguerre.jpg
