(B) Apart from the warships mentioned in (A) (i) above, the Canal is not likely to be required for naval operational purposes. (C) At present the German armies in the West, as in the East, are probably supported only indirectly by the economic traffic passing through the Canal. If, when the Allies advance into the North German plain, enemy garrisons are still holding out in the North Sea ports, they will be largely dependent on the Canal for supplies and reinforcements. 2. This figure of 1 1¼ million tons of shipping does not refer to any definite period of time, but is the gross registered tonnage of serviceable dry cargo shipping on routes which pass through the Canal.