Mubarak Al-Sabah Mubarak finally died on November 28, 1915 due to an attack of malaria aggravated by his bad heart. After Mubarak's death his son Jaber II Al-Sabah ascended to the throne without any problems and when Jaber died his brother Salim Al-Mubarak Al-Sabah took over. Since then to the present day all of Kuwait's rulers have been direct descendants of Mubarak through his two sons. Mubarak's skillful diplomacy and manipulation of the Ottomans and British strengthened his powerbase ensuring Kuwait's eventual independence. Mubarak's interference in tribal affairs and the example he made of himself destabilized the region in that it eventually
Anglo-Ottoman Convention of 1913 intervene in matters of the Gulf, of which the British desired to retain a monopoly. The Ottomans were willing to drop all claims to Bahrain, in which they had never been able to maintain anything but a symbolic role, but not Qatar. As a question of sovereignty, the Ottomans argued that the empire had always exercised effective sovereignty over the peninsula and could not justify the abandonment of territory which it had never formally renounced. Yet under considerable pressure it renounced claims to both (Articles 11 & 13) and a blue line was established to define the territorial limits of