Nicholas began courting Britain by means of conversations with the British ambassador, George Hamilton Seymour, in January and February 1853.:105 Nicholas insisted that he no longer wished to expand Imperial Russia:105 but that he had an obligation to the Christian communities in the Ottoman Empire.:105  The Tsar next dispatched a highly abrasive diplomat, Prince Menshikov, on a special mission to the Ottoman Sublime Porte in February 1853. By previous treaties, the sultan was committed "to protect the (Eastern Orthodox) Christian religion and its churches." Menshikov demanded a Russian protectorate over all 12 million Orthodox Christians in the Empire, with control of the Orthodox Church's hierarchy. A compromise was reached regarding Orthodox access to the Holy Land, but the Sultan, strongly supported by the British ambassador, rejected the more sweeping demands.