The correct answer to this open question is the following.
Unfortunately, you forgot to include the map to answer your question. 
However, we can comment on the following. Hope it is useful. 
We did some research and found a map titled "The Viking Age, A.D. 800-1000." The map is included in a lesson to develop Geography skills such as interpreting symbols, lines, and labels. 
If this is the correct map to your question, then the correct answer is the following.
The city on the map that is farthest from the Vikings' homeland is Rome, followed by Paris, and the closest city to Vikings homeland, that appear on the map is London.
The homeland of the Vikings was the modern-day Scandinavian territories of Sweden, Denmark, and Norway. 
 
        
             
        
        
        
#4 Andrew Jackson attacked and captured Spanish forts, claiming Florida for the U.S. Monroe signed a treaty with the Spanish which gave Florida to the U.S.
        
             
        
        
        
The correct answer is A. Commanders encouraged their soldiers to be as brutal as possible.
The massacre of Nanking was a series of crimes against humanity committed by the Japanese army while they were occupying the city of Nanking and its surroundings in 1937. These crimes involved killings of civilians and prisoners, torture, violations, plunder, and other several atrocities. According to different estimates, the number of dead civilians rises above 300 000. This brutality was a direct result of the orders of the Japanese commanders: prince Asaka and general Matsui, among other Japanese military leaders.
 
        
                    
             
        
        
        
D. Federal troops arrived in Texas .. i think.