Answer:
it bears the needle like flowers
it is pine tree so it can be coniferous
it can protect it from cold
I assume that the question refers to the political affiliation of the Islands (They are Islands in the Mariana Trench, in the Pacific Ocean, south of Japan) - they are politically linked to the US - the correct answer is a). For example the Mariana islands have a commonwealth status within the US.
Those geographic helped to protect the Roman Empire.
