12/11/1791
https://www.presidency.ucsb.edu...
"Will such an article be proper?"
"It is therefore agreed between the said parties that in the event of any such obstructions happening it shall be lawful for such persons as---- ----shall designate to introduce into and transport thro..."
"The trade of the Indians is a main mean of their political management."
"It therefore appears to be important to form a secret article of a treaty similar to the one which accompanies this message."