use battle because； firstly； they think that we are short of food； and； secondly； they have sent an army against Saber Pass to cut off our supplies。 Now each of you will take ten thousand troops and garrison the important points about here to show them that we are well prepared to defend ourselves。 Then they will retire。〃
After these two had gone； Yang Yi came to see Zhuge Liang about the change of troops then due。
Yang Yi said； 〃O Prime Minister； you have ordered the troops to be alternated every one hundred days。 Now the time is due； and the replacing troops have already left Hanzhong and that dispatches from the leading divisions have e in。 Here we have eighty thousand troops； of which forty will be due for relief。〃
〃There is the order； carry it out；〃 replied Zhuge Liang。
So the forty thousand home…going soldiers prepared to withdraw。
Just then came the news： 〃Sun L