The answer is all of the above.
It allows the grass and plants time to replace themselves when the animals migrate.
This is the North Atlantic Ocean.
It can be judged by its surrounding, as it is located near the North Pole, we can deduce that it is an ocean located at the north, which could either be north Atlantic or North Pacific.
We can then use the continential plate to help us determine, which is the North America plate.
Therefore this is the North Atlantic Ocean.
Hope it helps!
Not sure but it affects one another because of trade, and the economy starts growing.