Understanding the #UnitedStatesofAmerica The 1783 Treaty of Paris - Article Eighth
YourTurtleTourGuideMar 20, 2020, 4:36:47 PM
Article 8th:
The Navigation of the river Mississippi, from its source to the Ocean, shall forever remain free and open to the Subjects of Great Britain and the Citizens of the United States.
The information is taken from this website here https://www.ourdocuments.gov/doc.php?flash=false&doc=6&page=transcript