In spite of the Tsar's military preparations, Lord Heytesbury had no fears that he proposed to attack France. Nicholas informed him that he had directed his ambassador "to remain in Paris, but to remove immediately from the house furnished to the Russian embassy by the government of France." He was constantly to hold himself in readiness to quit Paris at an hour's notice, and to leave at once, should the English, the Prussian, the Austrian or the Dutch ambassadors be compelled to depart. "_En âme et en conscience_ he never would consider the Duc d'Orléans in any light except that of a usurper." Nevertheless he had no intention of intervening, unless France were to attempt to disseminate revolutionary doctrines in other countries or to carry her arms beyond her frontiers.[23] In due course Baron Atthalin arrived at St. Petersburg, bringing with him a letter from Louis Philippe to the Tsar, and, on September 8, was received in private audience by Nicholas. On this occasion the question of the acknowledgment of the King of the French was avoided, the Emperor being resolved to reserve the matter for further consideration. But at Tsarskoye Selo, a week later, Nicholas, whilst regretting that the British government should have so hastily decided to recognize Louis Philippe, gave Lord Heytesbury to understand that his own acknowledgment of the King of the French would not be deferred much longer.[24] In the meantime, an event had occurred which threatened seriously to aggravate the embarrassments of the situation. The creation of the Kingdom of the Netherlands occupied a most important place in the territorial settlement following the overthrow of Bonaparte. British statesmanship had been largely responsible for the union of Belgium with Holland, and for the formation of a strong State of secondary rank which was to act as a barrier against France. Under Wellington's advice the great Powers, at their own expense, erected a line of fortresses, connected with Prussian territory upon the left bank of the Rhine, to protect the southern frontier of the new kingdom. From a purely military point of view the plan may have been sound, but to propose to mould the Belgians and the Dutch into a nation was to treat as of no account the differences of race and of religion which divided the two peoples. The Belgians soon began to complain that they were very inadequately represented in all branches of the public service. Questions relating to education, taxation, and the freedom of the press increased their discontent. The Dutch, who could look back proudly upon two centuries of independence, despised them as having been constantly under the dominion of a foreign Power. In 1830 it was generally recognized that the attempt to fuse the two peoples into one nationality had failed. The Belgians, however, still remained loyal to the House of Nassau and desired only administrative separation under the reigning dynasty.