“Art. 1: Henceforth all hostilities shall cease; peace is hereby established, and shall be perpetual; and a friendly intercourse shall take place between the said United States and Indian tribes . . . . And in consideration of the peace now established . . . the said Indian tribes do hereby cede and relinquish forever, all their claims to the lands lying eastwardly and southwardly of the general boundary line now described: . . . .”
-Source: Treaty of Greenville, 1795
Which of the following most likely motivated Congress to enter into the treaty in the excerpt?