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
Mubarak Al-Sabah December 1897 in large part due to a controversy that exploded. The resolution passed due to a controversy and conspiracy that involved Mubarak and Basra's government regarding Mubarak's rival, Yusuf al-Ibrahim, . The controversy further destabilized relations in the region to dangerous levels. Because of the tension and instability of the situation the Ottoman Council decided that naming Mubarak kaymakam would be a better alternative to potentially bloody military action. Another reason was that military intervention may have further destabilized the region and destroyed any support that the Ottomans had with the Kuwaiti people. Finally, the Ottomans also had growing