How did the kings of Ghana become wealthy?
(1 point)
Responses
They mined salt from the region and sold it to neighboring regions.
They mined salt from the region and sold it to neighboring regions.
They controlled how much gold was available for trade.
They controlled how much gold was available for trade.
They used the trans-Saharan trade route to acquire expensive ivory.
They used the trans-Saharan trade route to acquire expensive ivory.
They learned to make weapons from iron and sold them to neighboring empires.