Answer:
there were several important cities that came into being as centers of trade and religion, such as Mecca, Medina (Yathrib), Karbala, and Damascus.
Explanation:
To escape communism and oppression
Answer: Arctic ocean
Explanation:
The great lakes are near the U.S or the south-east of Canada, the Mackenzie river flows to the Beaufort Sea, the Beaufort sea is part of the Arctic Ocean
Nile and the Tigris-Euphrates
