The correct answer Having a shoreline makes shipment by sea possible, which is less expensive than over land
North African and Middle Eastern countries can't join the EU since they're not from Europe, and regarding security, it's all the same now since it's not the middle ages any more.
As a peninsula, the people of Greece took advantage of living by the sea. The mountains in Greece did not have fertile soil good for growing crops, like in Mesopotamia, but the mild climate allowed for some farming. The Greeks, like many other ancient civilizations, felt deeply connected to the land they lived on.
I hope that helps you. :)
1. Moist adiabatic lapse rate.
2. Normal lapse rate.
3. Dry adiabatic lapse rate.
4. Adiabatic lapse rate.