The inuit in canada and Greenland, and the Yu'pik, Iñupiat, and Athabascan in Alaska, are just a few of the groups that are native to the Arctic.
Characters, A backround story
Religious and ethnical problems.
It was one of the largest empires of the world with many different ethnicities. The problem was to unite people under one rule.
Another problem was communication. It was hard to transfer knowledge and news to all parts of the empire because it was too large.
Answer:
An estuary is a the mouth of a large river where the tide meets the stream.
Explanation: