The Diffusion of the Islam in North Africa/Southwest Asia The North Africa/Southwest Asia realm has spread itself from the Atlantic shores of Morocco to the mountains of Afghanistan. Sometimes this part of the world is referred to as the Arab world. This realm is one the richest in the world of historical and cultural point of view. It has been the origin of three of four religions; Christianity, Islam and Judaism. The Islam is the major religion in the "Arab World", but along with it Christianity and Judaism take an important place. It is also a region of intense conflict basically on religi