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
Anglo-Ottoman Convention of 1913 intervene in matters of the Gulf, of which the British desired to retain a monopoly. The Ottomans were willing to drop all claims to Bahrain, in which they had never been able to maintain anything but a symbolic role, but not Qatar. As a question of sovereignty, the Ottomans argued that the empire had always exercised effective sovereignty over the peninsula and could not justify the abandonment of territory which it had never formally renounced. Yet under considerable pressure it renounced claims to both (Articles 11 & 13) and a blue line was established to define the territorial limits of