There shall be a firm and perpetual peace between his Britannic Majesty and the said States, and between the subjects of the one, and the citizens of the other. And his Britannic Majesty shall; with all convenient speed, and without causing any destruction, or carrying away any negroes, or other property of the American inhabitants, withdraw all his armies, garrisons, and fleets from the said United States, and from every port, place, and harbor within the same, leaving in all fortifications the American artillery that may be therein. And shall also order and cause all archives, records, deeds, and papers belonging to any of the said States, or their citizens, which, in the course of the war, may have fallen into the hands of his officers, to be forthwith restored and delivered to the proper States and persons to whom they belong. And all destruction of property, or carrying away of negroes, or other property belonging to the American inhabitants, contrary to the above stipulation, shall be duly estimated and compensated to the owners. ARTICLE VIII. The navigation of the rivers Mississippi and St Lawrence from their sources to the ocean, shall forever remain free and open to the subjects of Great Britain and the citizens of the United States. ARTICLE IX. The prisoners made respectively by the arms of his Britannic Majesty and the United States, by land and by sea, not already set at liberty, shall be restored reciprocally and _bona fide_, immediately after the ratification of the definitive treaty, without ransom, and on paying the debts they may have contracted during their captivity; and each party shall respectively reimburse the sums which shall have been advanced for the subsistence and maintenance of their prisoners by the sovereign of the country where they shall have been detained, according to the receipts and attested accounts and other authentic titles, which shall be produced on each side to commissioners, who shall be mutually appointed for the purpose of settling the same. ARTICLE X. His Britannic Majesty shall employ his good offices and interposition with the King or Emperor of Morocco or Fez, the Regencies of Algiers, Tunis, and Tripoli, or with any of them, and also with every other Prince, State, or Power of the coast of Barbary in Africa, and the subjects of the said King, Emperor, States, and Powers, and each of them, in order to provide, as fully and efficaciously as possible, for the benefit, conveniency and safety of the said United States, and each of them, their subjects, people, and inhabitants, and their vessels and effects, against all violence, insult, attacks, or depredations, on the part of the said Provinces and States of Barbary, or their subjects. ARTICLE XI.