The correct answer is to set a productive tone for the process of constitutional reform. As we can see he is against prosecution and and taking sides. He doesn't want the the parties involved just point fingers at each other looking who is more right or who is more wrong. He is advocating a clear head approach and the to turn people to their cause not by fire and sword and prosecution but by winning their hearts and minds through dialogue.
so the reason why an author would expand all that is because of history we had to know everything about the history of the Americas so we had the right religion we where before anything happens and we also had to know how they behaved to see how we had improved
The greek root meter means measure