The document provides background information on the rise of the Ottoman Empire. It describes how the Ottoman Turks expanded from nomadic warriors in Asia Minor to build a vast empire spanning Europe, Asia and Africa between the 13th and 17th centuries. Key events included the Ottoman conquest of Constantinople in 1453, establishing Istanbul as the new capital, and their defeat at the Battle of Vienna in 1683, marking the end of Ottoman expansion into Europe. The document also discusses the structure of Ottoman society under absolute rule of the Sultan, and the origins and basic beliefs of Islam.