The news of Neerwinden led George III to adopt even more vigorous measures. True, he disliked Coburg's pressing demand for help, seeing that no treaty of alliance was formed; but he permitted the forward move on Ghent, and formulated a still bolder scheme, that the British, Hanoverians, and Dutch should advance to besiege Dunkirk; for the capture of that place would enable a siege-train to be brought easily to the Austrians for the leaguer of Lille and Valenciennes.[214] To Grenville he expressed the hope that these measures would speedily end the war.[215] The letter is important as showing the great influence of the King on military affairs. It must be remembered that Pitt, Grenville, and Dundas (the three leading members of the Cabinet) had no knowledge of these questions, while that shadowy personage, Sir George Yonge, Secretary at War, had no seat in the Cabinet. A more unsatisfactory state of things cannot be conceived. It tended to subject questions of military policy to that influential trio, which in its turn was swayed by the will of the King. According to constitutional custom, the Cabinet was collectively responsible for questions of war policy; but it is difficult to say how far Ministers were individually responsible. Pitt and Grenville certainly influenced the decisions arrived at; Dundas drew up and signed the chief military despatches; but the wishes of George III had great weight. [Illustration: SEAT OF WAR IN FLANDERS.] In fact, questions of war policy turned largely on motives other than military. The resolve of the King and his Ministers to share in the invasion of France sprang not only from feelings of military honour, but also from the exigencies of diplomacy. By the middle of March it was clear that Russia and Prussia would acquire unexpectedly extensive tracts of Polish land. Francis II vented his spleen at this rebuff on his Chancellor, Philip Cobenzl, who was virtually disgraced, while a clever but unprincipled schemer, Thugut, took his place.[216] Another unwelcome surprise was in store. The Emperor had hoped to find in the Belgic-Bavarian exchange "compensation" for the presumedly moderate gains of his rivals in Poland. But to this plan, as we have seen, George III and his Ministers stoutly demurred; and Grenville held out the prospect of the acquisition of Lille and Valenciennes in order once more to lay that disquieting spectre. As it also alarmed some of the German princes, whose help was needed against France, the Court of Vienna saw this vision fade away until Thugut hit upon the design of conquering Alsace, and finding there the means of effecting the longed-for exchange. Pitt and Grenville, however, clung to the policy of rooting Austria firmly at Brussels, with Lille and Valenciennes as her outworks, and this involved the effort of winning those two fortresses for the Hapsburgs. Thugut suggested that, if Austria could not secure French Flanders, she must find compensation elsewhere; and he declined