Answer: Japanese air-raid on Pearl Harbor (Japanese did not declare war to the U.S.A, so it was absolutely unexpected). December 1941.
Explanation:
The _________________ form the boundary between North and South China.
The Qinling Shandi mountains form the boundary between North and South China. Its actually known as "Southern Mountains". Its a mountain range in the southern China.
Hope I helped :D
Answer:
Some people think they just simply left, but I doubt that since they left everything their, and why would they leave a perfectly good home?
