sentences:  As a result of lack of corporation, the enemy was able to successfully withdraw, and eventually returned with vengeance and the lessons learnt in this campaign, and the nationalists would consequently have to pay a heavy price later.However, their enemy had suffered equally if not greater because although the communists had managed in inflicting greater number of casualties on the nationalists, they had failed to achieve their original goal of capturing Datong and Jining.The communist failure was mainly due to the grave underestimation of the enemy strength.