The answer would be A) They wanted a strong central government
I believe the answer is: B.because of advances in science, medicine, technology, and the arts
During the hand civilization, China developed many advancement in use of herbs for medicinal purpose and adopted many technology from all across the world which increase their agricultural production capacity.
Their artworks were also developed to the point where it became a hot commodity among European nobles.
The height of the cube is 9 cm, Which is mentioned in option D, if the volume of cube is 729 cubic centimeters.
Explanation:
The given is,
Volume, V = 729 Cubic centimeters
Step:1
Formula for volume of cube,
...............................(1)
Where, a - Side of cube
From the given value, Volume, V = 729 Cubic centimeters
Equation (1) becomes,

Take cube root on both sides, the above equation becomes
![a=\sqrt[3]{729}](https://tex.z-dn.net/?f=a%3D%5Csqrt%5B3%5D%7B729%7D)

a = 9 cm
Height of cube, a = 9 centimeters
Result:
The height of the cube is 9 cm, Which is mentioned in option D, if the volume of cube is 729 cubic centimeters.
Another key achievement of the Khmer Empire was its ability to build strong trade links with societies across South-East Asia. Trade in rice and fish became a key part of the Khmer Empire's economy. Use of the Mekong River allowed the Khmer to trade in regions both north and south of the empire.
Because china needs a beating