Ghana was a kingdom that lasted from the 6th to the 13th century CE
in my opinion, I think that the rulers of Ghana are greedy with there wealth and power.
it is very hard to travel across the Sahara desert because, for one it is like in the middle of nowhere, no water, and no food. also, it is very hot and this can make your walk or ride one tiring trip.
salt was very important in West African forest because it could be traded for gold.
there was a person who would plan the time and place for the trading and there is a person who would, leave an item and take an item
Ghana declined because the kingdoms gold sources dried up.