Everybody say NOoooooooooooo!!!!!
Answer: it’s A. a shift in American Indian populations from east to west
Explanation:
i got it right
The climate promote the development of central authority by
which the arid climate has required irrigation in a large scale of projects
that is being directed and in a way that it is also contributes to the
development of the central authority.
This isn’t a paragraph but an idea for this is that the culture is more rich , people from all over the world have moved to America and made it a more culturally rich place