Most archaeologists think that they came from across the Berring Sea over the ice
from Russian/Europe and made their way through North America.
<span>Fully and clearly expressed; leaving nothing implied</span>
The best way to determine the authors point of view when researching for a thesis paper is to think of what he wanted to say by checking the whole paper and perhaps his recent history of publication. This will give you a good idea what did the author mean by some things he wrote.
Answer:
Eastern edge of Great wall was Pyongyang in North Korea in ancient, but Dandong is edge now
Explanation: