They did it fore the last 200019 years since 82bcg
Some of the most valuable commodities that moved through the kingdom of Ghana between the 5th and 15th Century were Gold and Salt during the Trans-Haran trade. The beginning of Trans-Haran gold trade is linked to the Soninke Empire of Ghana in the 5th Century. While the consumption of Trans-Haran salt was promoted for trade purposes. Berbers from the North of Africa were able to cross the Sahara desert using camels with their caravans with gold sort from western and central Sudan. This linked the Mediterranean economies which demanded gold and in return they supplied salt.
The most common type of money That was used In Greece was called the drachma And was the official currency of Athens. although it was Athens currency it could be used in most of the cities of Greece because Athens had strong trade relations with the rest of the cities
Feudalism was a combination of legal and military customs in Medieval Europe and Medieval Japan. It was a system of structuring society around relationships which were based on the holding of land in exchange of labor and service. This encompasses the wider society. A peasant was protected by his lord who would give him housing and security and the peasant would work on the lord's land. This is a typical example or characteristic of feudalism.
