* Powerful: The Iroquois League was a formidable force in North America, known for their military prowess and political influence.
* Confederate: The Iroquois League was a unique political entity, formed by a confederation of five (later six) distinct nations.
Other possible adjectives could be:
* Democratic: The Iroquois League had a democratic system of government, with representatives from each nation.
* Matrilineal: Iroquois society was matrilineal, meaning lineage was traced through the mother's line.
* Peace-loving: While the Iroquois League was a strong military force, they were also known for their efforts to maintain peace and resolve conflicts through diplomacy.