Greek philosophy teaches that the human soul has a mental part and a spiritual part. The mental part is a completely rational entity while the spiritual part understands reason. The soul they say is home to the passions and desires. Living led by your reason is the best way to live combined with the heart of passion is essential for the human condition.
Answer: open new markets.
Explanation:
The greatest priority of western railroad development as illustrated above was to open new markets.
Connecting the coasts made exportation easier to the Eastern markets. The development of the railroad also brought about new economic opportunities and new territories were also easily accessible.
The Great Migration, or the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from 1916 to 1970, had a huge impact on urban life in the United States.
The answer is: Runners allowed villages and cities throughout the empire to communicate quick with rulers far away.
Hope this helps!:)