Ans. Hiawatha is believed to have brought about peace among the Iroquois tribes through his diplomatic skills and teachings of the Great Law of Peace. He traveled extensively, visiting each tribe and persuading them to put aside their differences and conflicts. Hiawatha emphasized the importance of unity, mutual respect, and cooperation among the tribes and helped establish the Iroquois Confederacy as a means to maintain peace and resolve disputes through a democratic decision-making process.