The origin of the centre is set in the 15th Century during the long distance trade.
The first evidence of such long distance trade is in the ancient world.
Long distance trade also started increasing community with other local groups.
Other cites were economically unnecessary as there was neither long distance trade nor markets.
Water was essential for fishing and longer distance trade.
As well as long distance trade, local trade must also have been significant.
Long distance trade may have seen local elites resorting to struggle in order for manipulation and control.
Salt from the mines formed an important part of the long distance trans-Saharan trade.
Even though most villages still were self-sufficient, long distance trade was developing.
Armstrong peoples primarily focused their human resources was on long distance trade rather than mass building.