Answer:The Aftermath of Muhammad's Death
The roots of the Sunni-Shia divide can be traced all the way back to the seventh century, soon after the death of the prophet Muhammad in A.D. 632.
The diaphragm is the part that adjusts the light of the specimen
The final fall of the Byzantine Empire was caused by attacks from the Ottomans.
The Byzantine Empire fell, and Islam spread into Eastern Europe. The Byzantine Empire fell in 1453. The main reason of its fall was a significant number of attacks made by the Ottoman Turks. In 1454, Constantinople finally surrendered to them.
