Question

What is a difference between the rise to power of the kingdom of ghana and that of the umayyad empire?

Answer 1

the rise of power can cause problems if ghana rises so they would cause a war if umayyad did they would cause a system mathematical droubt but if this isn't the answer and this is a multiple choice answers please post them 

Answer 2

The Kingdom of Ghana became powerful by taxing gold merchants who passed through its lands. In contrast, the Umayyad Empire extended its power through campaigns of conquest by Islamic armies is the correct answer.