Jingnan Four Counties

After the Battle of Chibi, didn't Liu Bei occupy the four counties of Jingnan, and why did he borrow Jingzhou?
Liu Bei Jingnan Four Counties South County Jingzhou Sun quan Chibi
01-11
Attacking the four counties of Jingnan, Zhao Yun and Zhang Fei took the initiative to ask for battle, and Zhuge Liang's solution method has been used to this day
Zhuge Liang Zhao Yun Zhang Fei Jingnan Four Counties Liu Bei Gyeyang County
01-09