Sheikhdom of Kuwait to Bahrain and apologised 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. Despite the Kuwaiti government's desire to either be independent or under British protection, in the Anglo-Ottoman Convention of 1913, the British concurred with the Ottoman Empire in defining Kuwait as an "autonomous caza" of the Ottoman Empire and that the Shaikhs of Kuwait were independent leaders, as well as"qaimmaqams"
Transformation of the Ottoman Empire military ventures could occasionally lead to escalation, as in 1592-3 when the Long War was provoked by the Ottoman governor of Bosnia's conquest of Bihać. In contrast with their Hungarian and Safavid frontiers, the Ottomans generally did not seek to expand further north from the Black Sea, being concerned primarily with its defense and the security of its sea lanes. The Ottomans maintained a series of fortresses along the Black Sea's northern shore, in the territory of modern Ukraine. Major sites were located in Akkerman, Özü, and Azak. Also of critical importance for the northern frontier was the Ottoman vassal