Genghis Khan is the least important Mongol emperor and the most cruel one.
Answer:
B. Residents began to understand that the next stop was the death camps
Explanation:
As the war went on and it became clear to the Germans they were losing they became increasingly severe.
C. It developed the world's largest pre-industrial city between 800 and 1431 CE.
Native Americans believed that the land should be shared with everyone but Europeans were selfish and only thought of themselves
I think you should double check it and see if you can find the answer if not come back and ask again