This Congress was also to manage Indian affairs and prevent the tribes from fighting against the United States. The new Congress also sent diplomatic representatives to the tribes and promised friendship and peace, and ultimately signed eight treaties with Indian tribes between 1781 and 1789, including treaties with the Iroquois Confederacy, the Cherokee Tribe, the Shawnee tribe and many other tribes. However, this Congress's power in Indian affairs was limited because the Articles of Confederation did not clearly give this Congress exclusive authority to deal with tribes. So various states got involved in Indian affairs and actually caused wars between tribes and between Georgia and South Carolina, for example, because the states were trying to steal Indian land. The problems caused by state involvement in Indian affairs have led many to call for the formation of a new, stronger U.S. government, in which exclusive power over Indian affairs would be placed solely in the hands of the national government and would be completely taken away from him. of the