<span>A marine layer is an air mass which develops over the surface of a large body of water such as the ocean or large lake in the presence of a temperature inversion. ... Fog will form within a marine layer where the humidity is high enough and cooling sufficient </span>
They can maintain a government. They get raided by neighboring countries. They have ridiculous resources... Which is why they were constantly colonized. D is my answer.
Negative: the ice is melting meaning sea levels are rising. if sea levels are rising then there is less land. if there is less land then there is less land to be able to farm on