The purpose of the first paragraph of the Iroquois Constitution is let the readers and all people understand what their goal is. The goal if the constitution is peace. Appointing 5 leaders of the 5 nations great Lords as councils of the constitution.
Advantages means something that gives you a higher chance of achieving something. For example, an advantage in a race is good stamina.
I’m not sure what you’re looking for but the answer is probably: used
