The answer would be B) the Roman Empire, since they were the ones who established it, and the mongols came after the silk roads construction, alexander the great lived before the silk road, and many local governments also encompasses the romana
        
                    
             
        
        
        
Answer: 
Explanation:
Given
A Planet is moving at a rate of 3 cm/year
distance between planets is 1500 km
and 1 km=1000 m
1 m=100 cm
No. of years required to cover 1500 km= 
 
 
        
             
        
        
        
You must go to congress and that how
        
             
        
        
        
It would be the second one; the power of the purse
        
             
        
        
        
Depends on how you look at it.. They were desperate and had to stop the British from gaining support. But it wasn't confirmed that It was carrying weapons, there were civilians on it so theres good reasoning why they sunk it. The Germans did not let civilian casualties get in their way really as seen with their bombing of cities and use of chemical warfare.