Answer:
in my point of view i think A is the answer
The most important geographic factor is the environmental impact of a New Sea port and if it has easy access to the oceans into transportation from England points to come to it. The mouth of the Mississippi River in New Orleans and the Seaport have severely negatively impacted the environmental area. Hurricanes can hit the area and for example New Orleans is mostly below sea level, this caused a major disaster in the area of which they are still feeling the economic impact of not being prepared for such a major catastrophe .
The topic of the discussion. :P Can't discuss if you don't know what you are discussing.