Report, if you have a problem with this page“ Many of our problems are broadly similar to those that undermined ... Norse Greenland, and that many other past societies also struggled to solve. Some of those past societies failed (like the Greenland Norse) and others succeeded ... The past offers us a rich database from which we can learn in order that we may keep on succeeding. ”
Jared Diamond
From : Collapse: How Societies Choose to Fail or Succeed