The Amnesty Act, passed by the U.S. Congress on 22 May, restored the civil rights to citizens of the South except for 500 Confederate leaders.
Richert, Lucas Paul. "Amnesty Act". The Literary Encyclopedia. First published 01 February 2009; last revised 30 November -1.
[http://www.litencyc.com/php/stopics.php?rec=true&UID=5973, accessed 25 April 2015.]