Embracing an area more than half a million square miles, the kingdom of Mali was undoubtedly one of the richest and most prosperous on earth in the 14th century. Its territory touched the Atlantic Ocean to the west and extended as far as the bend in the Niger River to the east. From north to south, it embraced the entire swath of land south of the Sahara to the thick tropical forests of...

The origins of the Ottoman Empire are to be found in a combination of Turkish asabiyah and the Islamic spirit of ghazza (meaning, struggle in the cause of God). Asabiyah, a term used by Ibn Khaldun to denote tribal cohesion, is the force that holds together tribes through bonds of blood, a characteristic found in abundance among peoples of the desert and the nomads of...

The triumphant advance of Muslim armies across the inter-connecting landmass of Asia, Europe and Africa brought into the Islamic Empire large masses of people who were previously Christian, Zoroastrian, Buddhist or Hindu. Conversion to the new faith was slow. The conquering Muslims left the people of the territories alone as long as they paid the protective tax, jizya and did not interfere with...