During the Qin Dynasty, what steps did China take to protect themselves from inv

Question:

During the Qin Dynasty, what steps did China take to protect themselves from invading Huns?

a)They built the Grand Canal, one of the wonders of ancient China.

b)They joined together several walls to create the Great Wall.

c)They made a peace treaty with the Huns, giving up half of China.

d)They attacked and destroyed the Huns

Best Answer - Chosen by Asker: I don't know my ancient Chinese history very well, but I'll go with B.