The correct answer is D) the United States and Great Britain would both allow Native Americans to keep tribal lands.
Concerning the border between the United States and British Canada, all of the following agreements were made under President Monroe EXCEPT "the United States and Great Britain would both allow Native Americans to keep tribal lands."
During the Convention of 1818, British North America and the United States established the 49th parallel of latitude as the border with Canada. The delegates at the convention established another six articles such as Article 1, that secured rights for fishing for the United States in Newfoundland and Labrador. Article III, that established join control for ten years of Oregon County. Or Article IV, that extended trade regulation between the countries for 10 more years.