<span>The three oceans that border North America are the Atlantic Ocean, Pacific Ocean and the Arctic Ocean. Other bodies of water, like the Gulf of Mexico, also border the continent.</span>
It is important because it helps us decide how to act in the future. If we understand their people, we can work with them and make intelligent deals with them. If we understand their history, we can make better choices with how to move forward, since we’ve seen how they act in different situations.
Nomadic people like mongols, huns, and khitans
Your answer is most likely C. :) Glad I could help!!