Question: The Treaty of Fort Harmar was an agreement between the United States government and numerous Native American tribes with claims to what post-AMerican revolutionary War territory northwest of the River Ohio, and that legally existed from July 13 1787 until March 1, 1803?
Sentence (from "Treaty of Fort Harmar"): The Treaty of Fort Harmar was an agreement between the United States government and numerous Native American tribes with claims to the Northwest Territory.
Relevant evidence: Yes