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.
<span>The city grew overcrowded, promoted disease, disrupted supplies. The moral of soldiers also dropped significantly.</span>
The outcome of the US presidential election in 2000 was determined by "the Florida Supreme Court" since the election was highly contested to to many of the ballots being hard to understand.