"<span>a. a common identity and a formal structure of authority" is the best option, since nationalism was mostly about national pride--meaning that one was tied to their countrymen through a common bond.</span>
Hopefully this can help you and I believe it's Reforestation....
Under the Covenant Chain, it is required the Haudenosaunee Grand Council's approval before any English purchase of Haudenosaunee land.
<h3>What was the main function of the Covenant Chain?</h3>
Covenant Chain is the council that works in the matters of the land and the trade.
It was setup with the purpose of making the alliance between two parties whether related to the land or the trade.
Nowadays, the Covenant Chain has developed good relations with North America.
Learn more about the Covenant Chain here:-
brainly.com/question/14447016
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B:the language is simpler.