《三国志·吴书·程黄韩蒋周陈董甘淩徐》
孙策出兵会稽，周泰代理别部司马一职，并统兵。
策入会稽，署别部司马，授兵。
When Sun Ce campaigned in Kuaiji, Zhou Tai acted as Sima of another detachment and commanded the troops.
<s>[INST] Kindly elucidate the central themes in this passage in English: 策入会稽，署别部司马，授兵。 [/INST] When Sun Ce campaigned in Kuaiji, Zhou Tai acted as Sima of another detachment and commanded the troops.</s>
Kindly elucidate the central themes in this passage in English: 策入会稽，署别部司马，授兵。
user
When Sun Ce campaigned in Kuaiji, Zhou Tai acted as Sima of another detachment and commanded the troops.
assistant