C) Urban residents are in twice as much as Rural residence.
<u>Answer:</u>
Ming Emperors attempt to improve the safety of the northern parts of the Empire by restoring parts of the Great Wall of China.
Option: (A)
<u>Explanation:
</u>
- The Ming Empire that ruled between the "fourteenth and the seventeenth century" had come to power after defeating the Huns in the north.
- The reason that the Mings succeeded in keeping their empire away from the hands of their enemies was that they took great measures to protect the frontiers of their empire.
- One such measure was of using a tremendous amount of building material to build the "northern part" of the "Great Wall of China" to be able to defend the Mongols on the other side.
