Answer:
- How did "Empire Ghana Gain Power?"
The Ghana Empire, in particular, grew rich from the trans-Sahara trade. ... The people were allowed to trade in gold dust, but had to turn over any gold nuggets to the government. As such, the state became very powerful as well, adding to the complexity of Ghana's agrarian civilization.
- How did Ghana lose its power as an empire?
The Ghana Empire crumbled from the 12th century CE following drought, civil wars, the opening up of trade routes elsewhere, and the rise of the Sosso Kingdom (c. 1180-1235 CE) and then the Mali Empire (1240-1645 CE).