"An unrelenting cost of any complex society is maintenance of
legitimacy or investment in coercion which require constant
modification of resources." Tainter, p 28
"Under a situation of declining marginal returns collapse may be the
most appropriate response." Tainter, p 33
The Localization Reader, edited by Raymond De Young and Thomas
Princen, MIT Press, 2012.
"People Who experience mood swings, fear, voices and visions"