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.
 
        
                    
             
        
        
        
I believe the best answer for this would be D 
 Explanation: The Mandate of Heaven did not require a ruler to be of noble birth, and had no time limitations. Instead, rulers were expected to be good and just in order to keep the Mandate. The Zhou claimed that their rule was justified by the Mandate of Heaven. In other words, the Zhou believed that the Shang kings had become immoral with their excessive drinking, luxuriant living, and cruelty, and so had lost their mandate. 
 
        
             
        
        
        
Answer:i would write about politics in the world.Those are big topics now with the new president.
Explanation:
 
        
             
        
        
        
America supported Cuba and the Philippines on going struggle against the spanish rule.