Mubarak Al-Sabah broke the Ottoman hold over the Persian Gulf. Other rulers in the Gulf were inspired or influenced by Mubarak to take similar actions, many allying strongly with the British. Mubarak established not only the foundations of modern Kuwait but was a key person in the establishment of the modern Persian Gulf. Mubarak Al-Sabah Sheikh Mubarak bin Sabah Al-Sabah, KCSI, KCIE (1837 – November 28, 1915) () "the Great" was the seventh ruler of Kuwait from May 18, 1896 until his death on November 28, 1915. Mubarak ascended the throne upon killing his half-brother, Muhammad Al-Sabah. Mubarak was the seventh ruler
Bahrain administrative reforms of the 1920s in "prosecution of war, piracy and slavery at sea" and Britain was to provide maritime protection. The treaty also recognized the Al Khalifa ruler as an "independent ruler". Six years later, in 1867–8, the British navy intervened after a Bahraini attack on Qatar. After two years, in 1869, they intervened again to end an internal struggle over power, and appointed Shaikh Isa ibn Ali Al Khalifa, then aged 21 as ruler of Bahrain. In subsequent years, the British exercised increasing control over Shaikh Isa's communications with foreign powers, especially the Ottomans, who had claims over Bahrain and Qatar. The increasing