What are some similarities between Ghana and Songhai​

The three empires were located close to the Niger River; they developed from the same Western Sudan region. The peopling of Ghana, Mali and Songhai Empires was similar. The three empires controlled the salt and gold trade. They were all strongly involved in the trans-Saharan trade.

Explanation:

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.