Based on a book or not, I will say the answer is A because the water is most likely suitable for drinking and it will allow them to not travel as far as they used to to have obtained water.
The answer is D. an elevated platue
The invasion from the mongols definitely a terrible event for the Russian culture, because Mongol held the principle to abolish all traditional culture in conquered land and replace it with the mongols.
In the beginning, the mongols' pressure defintely shake up the social unity of the Russian because they create the Greatest threat that ever faced by their society. But in the end, they managed to took back their land and defend against the attack.
Answer:
Zhu Yunwen was the one that took over
Slaves were shipped to the New World
