The signature of President Abraham Lincoln is seen on the 13th Amendment in a display at the Tennessee State Museum on Monday, Feb. 11, 2013, in Nashville, Tenn. The 13th Amendment, whi

 

              The signature of President Abraham Lincoln is seen on the 13th Amendment in a display at the Tennessee State Museum on Monday, Feb. 11, 2013, in Nashville, Tenn. The 13th Amendment, whi
The signature of President Abraham Lincoln is seen on the 13th Amendment in a display at the Tennessee State Museum on Monday, Feb. 11, 2013, in Nashville, Tenn. The 13th Amendment, which abolished slavery, is on display along with the Emancipation Proclamation as part of an exhibit titled Discovering the Civil War. (AP Photo/Mark Humphrey)