I believe it's A.) A means of communication. It depends on what you're using it for in a sentence. Hope this helps! :))
Answer:
At the same time, nations saw trade as a way of increasing their wealth. Merchants dreamed of new sources for goods such as gold and spices. ... They wanted to trade directly with Africa and Asia, but this meant that they had to find a new sea route.
Explanation:
It is important because it lessens, minimize, or reduce competition in the western part of the country, they can determine accurately the time zone of one town from another town – for example, one town might have 6 am whenever the sun rises and another town had 6 am 10 minutes later, they made it possible for towns to lay their own tracks and most importantly; they provide greater efficiency in production, safety, and scheduling.
Answer:
The Seven Year's War shifted the balance of power in favor of the English