His full brother Tuanku Ibrahim was appointed Raja Muda (junior king); he would be the main force at the Acehnese court up to 1870.
The new sultan gradually gained acceptance from the panglima sagi (regional headmen), the orang kayas (grandees) and the uleëbalangs (chiefs).
Britain, concerned with the power balance in Europe, did not want a weak Netherlands and agreed to demarcate the spheres of interest in the East Indies.
The Dutch diplomats promised to build up regular relations with Aceh to ensure security for sailors and merchants without abrogating its independence.
[3] The following years were marked by a number of violent incidents, as a result of the Dutch expansion on Sumatra which broke the influence on the coasts that Aceh had gained during the Napoleonic Wars.
In 1830 the Dutch Resident on the west coast, MacGillavry, concluded a contract with the raja of Trumon which had hitherto been under the Aceh Sultanate but was now acknowledged as autonomous.
Their findings there indicated that the ship had been burnt and that the money and equipment on board had been appropriated by Alauddin Muhammad Da'ud Syah, although the sultan alleged something else.
A large part of the world's pepper was produced in the sultanate and British, French and American merchants brought rich cargoes from the Acehnese ports.