They brought the religion of Islam with them, which led to Ghana becoming a Muslim Empire.
b Its c : cultural diffusion
It depends on what you mean by "The Kings of Ghana" If you are referring to the Kingdom of Ghana (which was located primarily in present-day Mali), Islam provided a legal and organizational basis in the latter period of that empire and also facilitated its expansion. If you are referring to the Akan Kingdoms which used to exist inside of the present-day country of Ghana, these were not influenced at all by Islam and remained consistently Animist. There were also kingdoms belonging to the Dagombe peoples in the north of Ghana that were Muslim, but as they did not exert a strong regional influence, it is unclear what affect Islam had on them.
Islam (or rather Moslem citizens and countries) was/were responsible for the building of Baghdad. Everything about Baghdad was influenced by Islamic Principles and Moslem Rulers.
It depends on what you mean by "The Kings of Ghana" If you are referring to the Kingdom of Ghana (which was located primarily in present-day Mali), Islam provided a legal and organizational basis in the latter period of that empire and also facilitated its expansion. If you are referring to the Akan Kingdoms which used to exist inside of the present-day country of Ghana, these were not influenced at all by Islam and remained consistently Animist. There were also kingdoms belonging to the Dagombe peoples in the north of Ghana that were Muslim, but as they did not exert a strong regional influence, it is unclear what affect Islam had on them.
Islam spread in Mali and Ghana by the Arab Muslim traders.
Islam
Prior to the introduction of Islam and Christianity, tribes in Ghana practiced a form of Cosmology which still exists today, but as more of a societal influence than a religious one.
Islam.
Who were the church rulers and what influence did they have on the society?
The people of medieval Ghana were Islam.
The Almoravids attacked Ghana in attempt to force its leader to convert to Islam.