Economic history, too, has shown that those societies that enjoyed the most success over the long term were those societies that made this efficiency - whether in relation to raw materials or energy - the motto that they lived by.
Majandusajalugu on samuti näidanud, et kõige edukamad olid pika aja vältel need ühiskonnad, kus toimiti tõhusalt - kas seoses tooraine või energiaga - see oli nende ühiskondade alus.