The correct answer is B) by providing more labor resources.
Empire-building benefited farm production by providing more labor resources.
Empire-building allowed the Emperors to expand their territories conquering new lands and having more servants to serve the king. This also meant having more labor resources, more hands ready to work in the farm fields to grow more crops, to produce more food for the empíre and trading purposes. Better crops and food production meant more trade, and more trade translated into more income and resources for the empire.
Its c, powers for your answer. a wont be close so its C
Genghis Khan was ruthless and gruesome. His strategy was to scare people into submission. When they were scared, they would surrender easily and it would save Khan's army much money, time and resources. however, in order to do so, Genghis would ruthlessly slaughter men, women, and children to prove his point.