Percy Cox was engrossed with events in Europe. Among his other achievements while at Bushire was the establishment of the state of Kuwait as an autonomous kaza within the Ottoman Empire by the Anglo-Ottoman Convention of 1913, where he improved relations with local ruler, Mubarak, by opening negotiations with Ibn Saud. The Turks signed a treaty in London on July 29, 1913 concerning Royal Navy patrols in the Persian Gulf littoral, when Cox met then at the Port of Uqair on 15 December 1913. Cox noted their "intractability" and also warned the Foreign and Commonwealth Office about Ibn Saud; the "increased authority
Anglo-Ottoman Convention of 1913 post office, as well as land concessions made by the Sheikh to the British government (Article 3). Smaller provisions were also added at the convention, which included the Sheikh’s right to his private property in the vilayet of Basra (Article 9) and extradition (Article 10). Section II and III constitute provisions for Qatar and Bahrain, respectively. Central to the negotiations was the status of Qatar and Bahrain, and the British pressured the Ottoman government that it should renounce its claims to both. If the Ottoman government retained sovereignty over Qatar and Bahrain that would enable it the right to still