sentences:  One of such nationalist blunders made in the campaign was that in their attack on Jining, the nationalists did not besiege the city and thus the enemy defending the city were able to withdraw.However, such mistake was intentional because the nationalist commander Fu Zuoyi was not willing to sacrifice his own troops for Chiang Kai-shek and Yan Xishan.Similarly, Yan Xishan was not willing to sacrifice his own troops for Chiang and Fu Zuoyi either.