Self-rule: American Indian groups in the 1970s demanded self-rule of the reservations. This act gave them that right.
The American Indian groups and in particular AIM wanted to rule reservations themselves and get rid of the federal government in their affairs. They used militant means and occupied locations and towns to get the US to surrender their power over the reservations. The Indian Self-Determination Act gave reservations control over their land, government, and culture.
Avars and sassanids I hope this helps
Answer: The Tigris River formed the northern-most boundary of Mesopotamia. The Euphrates River formed the southern-most boundary. Both rivers flowed from the north to the southeast, emptying into the Persian Gulf, which formed the eastern border of Mesopotamia.
Explanation: