I think B is the appropriate answer among the others. Hope this helps :)
They wanted to show that they had control over the territory where they set up blockades that isolated the West as act of strength on their part.
The earths terrain. the depths and mountains .
Access to food, water, shelter, and all basic human needs can hinder or help the growth of a civilization. Civilizations with similar environments or climates tend to develop on similar paths (because they run into the same problems/conveniences that have to be solved by human brains, which are wired to react to certain situations in certain ways.)
Having the deep slightly color of gold
