The Iroquois’ influence was nil. The people who wrote our constitution were very specific as to their sources. Go back to books prior to about 1930...when historians revamped history royally.
I referenced the Algonquin round table. I was taught that this was the place of the meeting of iroquois nations.
I have just learned today that it was a movement by literary types that started in the 20’s
That would pinpoint your rewriting of history. It seems to trace back to these artsy fartsy liberal literary types