Anglo-Ottoman Convention of 1913 this agreement would ensure British support on other more pressing issues, such as dealing with invasion by other European powers and conflicts in other parts of the Ottoman Empire. Furthermore, British pressures led the Ottomans to abandon the proposed extension of the railway line to Kuwait and instead opt for a Basra terminus. Plans for a Basra terminus created a new series of demands on behalf of the British, including the Ottoman renunciation of Qatar, and delineating its role in the wider Persian Gulf waters. Britain had wanted to conclude agreements with Sheikh of Qatar Jasim al-Thani about illicit arms
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