I think it’s to see light
A "Nation State" is a sovereign nation. A group with definite territory that legitimizes it's right to rule by the fact that it exists. A "City State" is like a nation state but smaller, it's a city and it's territories. ... Cities that were only responsible to themselves, they weren't ruled by any higher power.
Answer:
They focused more on farming.
The polar region is located near the poles.
