I believe it's because he didn't want any nation to become too powerful and overthrow the others. That's just my guess. hope it helps out
Answer:
we might have an in depth understanding of why China is doing this. ( was i close?)
Explanation:
B would be the awnser because it is the only true statement here
He was able to do it because he himself was a trained soldier
People and soldiers respected him for this since he knew what he was doing. Many Chinese leaders joined him and those that wouldn't would be conquered.
hope this helps