ina is the Southern Jin Dynasty, and the Southern Jin Dynasty produces a lot of rice, with ample grain supply. If you dry sweet potatoes, it might be possible to exchange them for rice with them.""Exc...oom for anything else.Chu Weiyun bit her lip and lowered her eyelids.But in the blink of an eye, two teardrops as big as beans rolled down her cheeks."If Mother were still here, she would be with me t...