In the South of yement, when the accupation of Aden in 1839 by the British, British politics has proceeded in accordance with interests in promoting the existence and exploitation of this important site to implement their interests. Historians believe that Britain played a major role in the conflicts that have taken place on the land of Yemen, through a series of military and political dealings between them and the Ottoman Empire prior to withdrawal of Yemen and between local authorities and power to Yemen, such interactions have led to very serious consequences for the future of Yemen and Yemen was often divided into three parts, the northern areas under the authority of Imam Yahya, and the South, under the control of Britain, Asir and Tihama Plains under the influence of al-Idrisi . Britain has held several legal agreements with the Yemeni parties to legitimize and justify the use of force for the purpose of maintaining their interests by treaties with the Ottoman Empire, laid the foundations for Yemen and the split in 1914, treaties concluded between them and the sheikhs and sultans were aimed at them. The aim of British policy and given legitimacy by the presence and activity on the territory of Yemen, including the treaties of friendship and resistance, and protection treaties, treaties, where the southern Yemeni partitioned (20) chiefdoms and Principality of dispute between them and try to request the foreign occupier satisfaction