Islam was still a new faith when it was carried across North Africa and down the East African coast. Within six hundred years of the Prophet's death it had Joint conference of the Swiss Society Middle East and Islamic Cultures and the include economic and cultural exchanges in Northern and Eastern Africa. "Identité et nation: le cas algérien" in Islam in Africa. Historical and Contemporary Processes of Islamisation and Re-Islamisations in Africa, Berna. 2018, Preaching Islamic Revival in East Africa, Cambridge Scholars Publishing, /Chanfi/Networks%20of%20Islamic%20NGOs_déjà%20publié%20in%20JEAS-1.pdf.