Answer :
the answer to this question is a system for exchanging currencies between countries
By creating the system for exchanging currencies, both parties involved in the trade could detemrine a fair pricing that wouldn't defect each or both parties during the trade so the value that they would receive would be pretty much the same if compared to the local trades
By creating the system for exchanging currencies, both parties involved in the trade could detemrine a fair pricing that wouldn't defect each or both parties during the trade so the value that they would receive would be pretty much the same if compared to the local trades