Judging from your other questions, I would guess the Aztecs, because they had an extremely advanced civilization relative to their time period. However, you might want a second opinion to verify this. Hope this helps.
Answer:Number 4 i think I'm sorry if that's wrong
Explanation:
Mostly because of the cheap workforce. For example, an Ipad produced in the US would cost much much more because the workers would ask for much much higher wages due to the higher standard of living. In many SEA regions the standard is lower so people also receive much much less money for doing the same work.
