NOVEMBER 16, 1818.

Fellow-Citizens of the Senate and of the House of Representatives:

The auspicious circumstances under which you will commence the duties of the present session will lighten the burdens inseparable from the high trust committed to you. The fruits of the earth have been unusually abundant, commerce has flourished, the revenue has exceeded the most favorable anticipation, and peace and amity are preserved with foreign nations on conditions just and honorable to our country. For these inestimable blessings we can not but be grateful to that Providence which watches over the destiny of nations.

As the term limited for the operation of the commercial convention with Great Britain will expire early in the month of July next, and it was deemed important that there should be no interval during which that portion of our commerce which was provided for by that convention should not be regulated, either by arrangement between the two Governments or by the authority of Congress, the minister of the United States at London was instructed early in the last summer to invite the attention of the British Government to the subject, with a view to that object. He was instructed to propose also that the negotiation which it was wished to open might extend to the general commerce of the two countries, and to every other interest and unsettled difference between them, particularly those relating to impressment, the fisheries, and boundaries, in the hope that an arrangement might be made on principles of reciprocal advantage which might comprehend and provide in a satisfactory manner for all these high concerns. I have the satisfaction to state that the proposal was received by the British Government in the spirit which prompted it, and that a negotiation has been opened at London embracing all these objects. On full consideration of the great extent and magnitude of the trust it was thought proper to commit it to not less than two of our distinguished citizens, and in consequence the envoy extraordinary and minister plenipotentiary of the United States at Paris has been associated with our envoy extraordinary and minister plenipotentiary at London, to both of whom corresponding instructions have been given, and they are now engaged in the discharge of its duties. It is proper to add that to prevent any inconvenience resulting from the delay incident to a negotiation on so many important subjects it was agreed before entering on it that the existing convention should be continued for a term not less than eight years.

Our relations with Spain remain nearly in the state in which they were at the close of the last session. The convention of 1802, providing for the adjustment of a certain portion of the claims of our citizens for injuries sustained by spoliation, and so long suspended by the Spanish Government, has at length been ratified by it, but no arrangement has yet been made for the payment of another portion of like claims, not less extensive or well founded, or for other classes of claims, or for the settlement of boundaries. These subjects have again been brought under consideration in both countries, but no agreement has been entered into respecting them. In the meantime events have occurred which clearly prove the ill effect of the policy which that Government has so long pursued on the friendly relations of the two countries, which it is presumed is at least of as much importance to Spain as to the United States to maintain. A state of things has existed in the Floridas the tendency of which has been obvious to all who have paid the slightest attention to the progress of affairs in that quarter. Throughout the whole of those Provinces to which the Spanish title extends the Government of Spain has scarcely been felt. Its authority has been confined almost exclusively to the walls of Pensacola and St. Augustine, within which only small garrisons have been maintained. Adventurers from every country, fugitives from justice, and absconding slaves have found an asylum there. Several tribes of Indians, strong in the number of their warriors, remarkable for their ferocity, and whose settlements extend to our limits, inhabit those Provinces. These different hordes of people, connected together, disregarding on the one side the authority of Spain, and protected on the other by an imaginary line which separates Florida from the United States, have violated our laws prohibiting the introduction of slaves, have practiced various frauds on our revenue, and committed every kind of outrage on our peaceable citizens which their proximity to us enabled them to perpetrate. The invasion of Amelia Island last year by a small band of adventurers, not exceeding 150 in number, who wrested it from the inconsiderable Spanish force stationed there, and held it several months, during which a single feeble effort only was made to recover it, which failed, clearly proves how completely extinct the Spanish authority had become, as the conduct of those adventurers while in possession of the island as distinctly shows the pernicious purposes for which their combination had been formed.

This country had, in fact, become the theater of every species of lawless adventure. With little population of its own, the Spanish authority almost extinct, and the colonial governments in a state of revolution, having no pretension to it, and sufficiently employed in their own concerns, it was in a great measure derelict, and the object of cupidity to every adventurer. A system of buccaneering was rapidly organizing over it which menaced in its consequences the lawful commerce of every nation, and particularly of the United States, while it presented a temptation to every people, on whose seduction its success principally depended. In regard to the United States, the pernicious effect of this unlawful combination was not confined to the ocean; the Indian tribes have constituted the effective force in Florida. With these tribes these adventurers had formed at an early period a connection with a view to avail themselves of that force to promote their own projects of accumulation and aggrandizement. It is to the interference of some of these adventurers, in misrepresenting the claims and titles of the Indians to land and in practicing on their savage propensities, that the Seminole war is principally to be traced. Men who thus connect themselves with savage communities and stimulate them to war, which is always attended on their part with acts of barbarity the most shocking, deserve to be viewed in a worse light than the savages. They would certainly have no claim to an immunity from the punishment which, according to the rules of warfare practiced by the savages, might justly be inflicted on the savages themselves.

If the embarrassments of Spain prevented her from making an indemnity to our citizens for so long a time from her treasury for their losses by spoliation and otherwise, it was always in her power to have provided it by the cession of this territory. Of this her Government has been repeatedly apprised, and the cession was the more to have been anticipated as Spain must have known that in ceding it she would in effect cede what had become of little value to her, and would likewise relieve herself from the important obligation secured by the treaty of 1795 and all other compromitments respecting it. If the United States, from consideration of these embarrassments, declined pressing their claims in a spirit of hostility, the motive ought at least to have been duly appreciated by the Government of Spain. It is well known to her Government that other powers have made to the United States an indemnity for like losses sustained by their citizens at the same epoch.

There is nevertheless a limit beyond which this spirit of amity and forbearance can in no instance be justified. If it was proper to rely on amicable negotiation for an indemnity for losses, it would not have been so to have permitted the inability of Spain to fulfill her engagements and to sustain her authority in the Floridas to be perverted by foreign adventurers and savages to purposes so destructive to the lives of our fellow-citizens and the highest interests of the United States. The right of self-defense never ceases. It is among the most sacred, and alike necessary to nations and to individuals, and whether the attack be made by Spain herself or by those who abuse her power, its obligation is not the less strong. The invaders of Amelia Island had assumed a popular and respected title under which they might approach and wound us. As their object was distinctly seen, and the duty imposed on the Executive by an existing law was profoundly felt, that mask was not permitted to protect them. It was thought incumbent on the United States to suppress the establishment, and it was accordingly done. The combination in Florida for the unlawful purposes stated, the acts perpetrated by that combination, and, above all, the incitement of the Indians to massacre our fellow-citizens of every age and of both sexes, merited a like treatment and received it. In pursuing these savages to an imaginary line in the woods it would have been the height of folly to have suffered that line to protect them. Had that been done the war could never cease. Even if the territory had been exclusively that of Spain and her power complete over it, we had a right by the law of nations to follow the enemy on it and to subdue him there. But the territory belonged, in a certain sense at least, to the savage enemy who inhabited it; the power of Spain had ceased to exist over it, and protection was sought under her title by those who had committed on our citizens hostilities which she was bound by treaty to have prevented, but had not the power to prevent. To have stopped at that line would have given new encouragement to these savages and new vigor to the whole combination existing there in the prosecution of all its pernicious purposes.

In suppressing the establishment at Amelia Island no unfriendliness was manifested toward Spain, because the post was taken from a force which had wrested it from her. The measure, it is true, was not adopted in concert with the Spanish Government or those in authority under it, because in transactions connected with the war in which Spain and the colonies are engaged it was thought proper in doing justice to the United States to maintain a strict impartiality toward both the belligerent parties without consulting or acting in concert with either. It gives me pleasure to state that the Governments of Buenos Ayres and Venezuela, whose names were assumed, have explicitly disclaimed all participation in those measures, and even the knowledge of them until communicated by this Government, and have also expressed their satisfaction that a course of proceedings had been suppressed which if justly imputable to them would dishonor their cause.

In authorizing Major-General Jackson to enter Florida in pursuit of the Seminoles care was taken not to encroach on the rights of Spain. I regret to have to add that in executing this order facts were disclosed respecting the conduct of the officers of Spain in authority there in encouraging the war, furnishing munitions of war and other supplies to carry it on, and in other acts not less marked which evinced their participation in the hostile purposes of that combination and justified the confidence with which it inspired the savages that by those officers they would be protected. A conduct so incompatible with the friendly relations existing between the two countries, particularly with the positive obligation of the fifth article of the treaty of 1795, by which Spain was bound to restrain, even by force, those savages from acts of hostility against the United States, could not fail to excite surprise. The commanding general was convinced that he should fail in his object, that he should in effect accomplish nothing, if he did not deprive those savages of the resource on which they had calculated and of the protection on which they had relied in making the war. As all the documents relating to this occurrence will be laid before Congress, it is not necessary to enter into further detail respecting it.