Answer:
All of the above
Explanation:
they only got their rights in 1920
The answer is cultures. Unmistakable provincial societies created among the people groups of North America in the vicinity of 10,000 and 2,500 years prior. Over hundreds of years unmistakable gatherings built up their own dialects, social associations, religious convictions, and practices, governments.
He was unable to prove his theory because he didn't have any proof.
I believe it is horizontal and vertical integration.