4 ms·

The Inca. http://io9.gizmodo.com/5872764/the-greatest-mystery-of-the-inca-empire-was-its-strange-economy http://io9.gizmodo.com/5872764/the-greatest-mystery-of

• dogma1138 11y ago
  The Inca empire lasted for about 100 years, we can might as well use "Sparta" as they've also allegedly were forbidden from possessing gold and silver (although in ancient world in many places commoners were not allowed to posses gold or silver as they could be used to buy favors ;)).
  • cmdrfred 11y ago
    Your question was anwsered.