Account-1: @humanprogress (Twitter)Account-2: @humanprogressDate: Friday, April 15, 2016Retweets: 205 retweets(Twitter) Likes: 168 likesBody: When communism fell, so did mass killings. http://buff.ly/1SjVN8i Link: https://twitter.com/humanprogress/status/721164492219002880Social Action: authored a viral tweet