 Under the 1892 treaty, the trucial sheikhs agreed not to dispose of any territory except to the British and not to enter into relationships with any foreign government other than the British without their consent.In return, the British promised to protect the Trucial Coast from all aggression by sea and to help in case of land attack.The Exclusive Agreement was signed by the Rulers of Abu Dhabi, Dubai, Sharjah, Ajman, Ras Al Khaimah and Umm Al Quwain between 6 and 8 March 1892.