How did the rulers of Ghana become wealthy?(1point)

The rulers of Ghana became wealthy primarily through controlling and taxing trade routes across the Sahara Desert, as well as through the gold and salt trade. They were able to amass wealth and power by taxing traders passing through their territory and by controlling valuable resources such as gold mines. Additionally, they were able to establish diplomatic and economic relationships with other powerful empires and states, which helped to further increase their wealth and influence.