↑ Crawfurd, pp. 191–192: "...for what purpose was it conquered and is it now retained?' We endeavoured to explain, that during the wars, in which we were lately engaged with our European enemies who occupied the coast of the island, they harassed our commerce from its ports, and therefore, in self-defence, there was a necessity for taking possession of it."
↑ “The British in the Gulf: An Overview”. Qatar Digital Library. British Library Qatar Foundation Partnership. Truy cập ngày 25 tháng 10 năm 2014. The increased stability that this 'Pax Britannica' brought led to increased volumes of trade in the region. Ruling families began to actively seek British protection as a means of securing their rule and safeguarding their territories.
