This is the composition of the junction of Xia and Shang.

Kaicheng is the border city of Xia state, and the vast grassland outside Kaicheng is actually a no matter area of Xia and Shang States, that is, a buffer area at the border of the two countries. There is a bit of skirmish on weekdays, which doesn't want to spread to the cities and towns with many residents. It is usually solved here.

and the grassland, the border city of the Shang state, is a city called Philadelphia.

Shang Muran transferred to the cavalry, who was stationed around Philadelphia and spread a long border.

after the cavalry team with...