British policy towards Cyprus has strategic, political, economic, and even socio-psychological components. All these components have been shaped by conditions at the national, regional and international levels. Against this backdrop, Britain's Cyprus policy has displayed periodical changes in line with the former's foreign/security policy and defense doctrine. For a certain period, Cyprus had been deemed militarily and politically indispensable for England in order to maintain its 'Great Power' status in the Middle East. However, post-Suez Crisis conditions eliminated the necessity to have the full sovereignty over the whole island and hence paved the way for Cyprus' independence. After 1960, Britain's Cyprus policy has been shaped by its relations with and the balance of power among the other two guarantor powers and the new hegemon of the Middle East, the U.S.