History of Kuwait which negatively affected the Kuwaiti economy. However, Mubarak went to Bahrain and apologized for raising taxes and the three business men returned to Kuwait. In 1915, Mubarak the Great died and was succeeded by his son Jaber II Al-Sabah, who reigned for just over one year until his death in early 1917. His brother Sheikh Salim Al-Mubarak Al-Sabah succeeded him. In the Anglo-Ottoman Convention of 1913, the British concurred with the Ottoman Empire in defining Kuwait as an autonomous kaza of the Ottoman Empire and that the Shaikhs of Kuwait were not independent leaders, but rather "qaimmaqams" (provincial sub-governors) of
Rise of the Ottoman Empire judge ("Kazasker") was created, indicating an increasing level of social stratification between the emerging military-administrative class ("askeri") and the rest of society. Murad I also instituted the practice of appointing particular frontier warriors as "Lords of the Frontier" ("uc begleri"). Such power of appointment indicated that the Ottoman rulers were no longer merely "primus inter pares" but sat at the top of a hierarchy of leadership. As a way of openly declaring this new status, Murad became the first Ottoman ruler to adopt the title of sultan. Beginning at the latest by the 1430s, but most likely earlier, the Ottomans