Plan of Treaties as Adopted (with Instructions), 17 September 1776

“Art. IX. The most Christian King shall never invade, nor under any pretence attempt to possess himself of Labradore, New Britain, Nova Scotia, Acadia, Canada, Florida nor any of the countries, cities or towns on the Continent of North America nor of the islands of Newfoundland, Cape Breton, St. Johns, Anticosti nor of any other island lying near to the said continent in the seas or in any gulph, bay or river, it being the true intent and meaning of this treaty, that the said United States shall have the sole exclusive, undivided and perpetual possession of all the countries, cities and towns on the said continent and of all islands near to it, which now are or lately were under the jurisdiction of or subject to the king or crown of Great Britain, whenever they shall be united or confederated with the said United States.”

https://founders.archives.gov/documents/Adams/06-04-02-0116-0004