Answer:
C. Huge number of people moved tp coastal regions
In this way, geography<span> kept early </span>China<span> culturally and economically isolated from the rest the world. However, </span>ancient Chinese<span> civilizations were exposed to the sheep and cattle herders inhabiting the grasslands in the northwest, and the fishing cultures along the southeast coasts.</span>
The current form of American government is very flawed, but it is effective in the sense that it is capable of changing without revolution, which is the most important element of any government.
Answer:I think the answers would be A(maybe),B,and D.
Explanation:
I'm not sure about A. B because it stop people from entering easily. D because people can put cameras on them. I'm most sure about B though. I hoped this helped.