In effect, this is what happened to the collapse of Easter Island. Each subsequent generation forgets what was "normal" for the old generation. See Jared Diamon

In effect, this is what happened to the collapse of Easter Island. Each subsequent generation forgets what was "normal" for the old generation. See Jared Diamond's fascinating account (PDF): http://employees.oneonta.edu/allenth/Class-Readings-Password/EnvironmentalCollapseOfEasterIsland.pdf http://employees.oneonta.edu/allenth/Class-Readings-Password...