Sébastiani, whilst pretending that Bresson had no authority to make public his letter, maintained that the London conference had no power to do more than mediate between the contending parties, and that France "could not be a member of a revised Holy Alliance which was to decide arbitrarily upon the affairs of nations." Furthermore he declined to recall M. Bresson from Brussels, unless Lord Ponsonby were removed at the same time.[90] Fresh instances were soon forthcoming, however, of Bresson's opposition to the decisions of the conference of which he was nominally the agent. Since the conclusion of the armistice between the Belgians and the Dutch, disputes had been frequent as to the infractions of its conditions. The Dutch, in violation of the terms imposed by the Powers, held the citadel of Antwerp and closed the navigation of the Scheldt, whilst, as a reprisal, the Belgians set up a blockade of Maëstricht. The conference had, in consequence, instructed its representatives at Brussels to warn the provisional government that, unless communications were opened between Maëstricht and the surrounding country, the Federal Diet would be invited to raise the blockade by force of arms. But M. Bresson, alleging as a reason for his conduct _des motifs à lui personnels_, declined to sign the note which Lord Ponsonby duly presented to the Belgian Minister for Foreign Affairs.[91] Lord Granville was in consequence directed to inform Sébastiani that the conference could no longer regard M. Bresson as its agent.[92] When the contents of Palmerston's despatch were read out to him Sébastiani declared that he should retain him at Brussels as French minister.[93] This was, however, but an empty threat. Bresson, since Louis Philippe's refusal to allow his son to be proclaimed King, was most unpleasantly situated towards the members of the national congress, to whom he had given the most positive assurances that, were Nemours to be elected, he would be permitted to accept the crown. It is very probable that in order to overcome the hesitation of his government he may deliberately have expressed exaggerated fears about the prospects of Leuchtenberg's enthronement. The complete subsidence[94] of the agitation on behalf of the Bonapartist candidate certainly accords ill with the alarming reports about the strength of the movement in his favour which he had transmitted to Sébastiani. But it would appear that when he paid his visit to Paris, at the end of January, he was himself deceived by Louis Philippe, and that his promises to the Belgian deputies, that Nemours would accept the crown, were made under the honest impression that the King's objection had been withdrawn. "You know the august mouth from which issued my last orders," he wrote to Sébastiani on February 9. "You heard them. Do not fear, they shall remain hidden at the bottom of my heart. But I cannot go back upon my footsteps. I cannot be the agent of another change of policy.