Answer:
The use of the calendar
Explanation:
They all used the calendar to predict eclipses, schedule religious ceremonies, and determine when to plant/harvest crops, and go off to war.
The writers wanted to emphasize that the ability to set up and start a new government came from the people of the United States.
The Canadian constitution recognizes three groups of Aboriginal peoples: Indians (commonly referred to as First Nations), Métis and Inuit. These are three distinct peoples with unique histories, languages, cultural practices and spiritual beliefs.
I think that you just answered your own question in the question you asked.