The Swahili Coast


 * supplied gold from inland areas of E. Africa
 * it was the coast of East Africa
 * Ports around Arabian Penins. supplied horses and goods from the N. parts of Middle East, Mediterranean and E. Europe
 * Muslim religion
 * slave trade
 * new language combo of African, Arabic and Persian (Swahili)
 * Traded Carpets and Textiles in a prosperous scenario.