Account-1: @humanprogress (Twitter)Account-2: @humanprogressDate: Sunday, February 7, 2016Retweets: 358 retweets(Twitter) Likes: 296 likesBody: When communism fell, so did mass killings. http://buff.ly/1PY5P7v Link: https://twitter.com/humanprogress/status/696402044287086592Social Action: authored a viral tweet