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 capitulation rights for subjects of the Sheikh of Bahrain (protected by the Britannic Majesty’s Consuls) living in the Ottoman Empire (Article 15). The final step in ensuring its dominance over the Persian Gulf was formalizing British policing of the Gulf. Therefore, “for the Protection of its special interests…in the free water of the Persian Gulf and on the borders belonging to the independent Shaykhs from the south of al-Qatar up to the Indian Ocean,” the British were able to continue exercising, as in the past, the following measures (Article 16): <br> Anglo-Ottoman Convention of 1913 The Anglo-Ottoman Convention of 1913