Before revision: The Iroquois's population had been devastated by losses because of European diseases like smallpox for they had no immunity, and it is notable that when the Iroquois finally made peace with the French in 1667, one of the terms was the French had to hand over all of the Wendat who had fled to New France.
After revision: The Iroquois's population had been devastated by losses because of European diseases like smallpox for they had no immunity, and when the Iroquois finally made peace with the French in 1667, one of the terms was the French had to hand over all of the Wendat who had fled to New France.