Thriving cities, wealthy merchant class, classical heritage of Greek and Rome.
 
        
             
        
        
        
In the Chesapeake Affair of 1807, a major challenge<span> to American neutral rights.</span>
        
             
        
        
        
Answer:
I want to say the third answer.
Explanation:
We see in the map that the trade routes go from the European area to the China area. 
It can't be A since we see that the routes go along the border of India, so it can't be both India and the Middle East.
I don't think it can be B because we don't see as much empires made by European forces in Africa, and these empires weren't competing with the Mongols, since the Mongols could easily take over their empires.
It can't be D since we don't see the trade routes go through the ocean to the far east, and the silk road never made it to North America and South America.
 
        
                    
             
        
        
        
Interesting question. The black death was a rather ready virus or as they called it a "plague". The reason it was so deadly it because it was a brand new virus/plague that the Europeans had never encounterd therefore being rather deadly for there immune system was not ready for it and had no way of treating it because it was an known virus from overseas. If you didn't know it was carried over on a ship where the virus was attached to a rat with further infected the crew and soon after the entire towb