Account-1: @humanprogress (Twitter)Account-2: @humanprogressDate: Wednesday, September 16, 2015Retweets: 133 retweets(Twitter) Likes: 93 likesBody: Mass killings of civilians by their own governments have declined with Communism's fall. http://buff.ly/1Ogvk8s Link: https://twitter.com/humanprogress/status/644359710439788544Social Action: authored a viral tweet