In accordance with inter-Allied agreements, all Soviet citizens were to be repatriated, by force if necessary, to the Soviet Union.

"Inter-Allied Agreement in regard to advance to the German Government in accordance with Protocol of July 16 regarding coal deliveries"

From May 1915 he was called to the War Office by Lord Kitchener and is largely remembered for the part he played in forging the Inter-Allied agreement about the Middle East in 1916, the Sykes-Picot Agreement.