The Jebel Akhdar War ( ) or the Jebel Akhdar rebellion broke out Process_start in 1954 and again in 1957 in Oman , as an effort Influence by the local Omanis in the interior of Oman led by their elected Choosing Imam , Ghalib Alhinai , to protect Defending the Imamate of Oman from the occupation plans Arranging of Sultan Said bin Taimur , backed by the British government , who were eager to gain access Having_or_lacking_access to the oil wells in the interior lands of Oman .

Sultan Said received Receiving direct financing Supply to raise an armed Bearing_arms force to occupy Control the Imamate of Oman from Iraq Petroleum Company ( IPC ) , a consortium of oil companies that was majorly owned by what-is-known-today as Royal Dutch Shell , Total , ExxonMobil and British Petroleum ( BP ) ; the latter was majority-owned by the British government .

The Imamate was eventually supported Supporting by Egypt and Saudi Arabia .

The war lasted Process_end until 1959 , when the British armed forces decided Deciding to take on direct interventions using Using air and ground attacks on the Imamate , which won the Sultanate the war .