C207 Principal Force

The contents of the letter were agreed upon by both Cai Li and Yu Mu, and were basically the same as what Li Liejun had said to Yi Jie just now. It was used as a final preparation for the start of the army. The letter requested one of them to find out the current situation of Feng Guozhang and his army as soon as possible. This included the current morale of the two armies