《北史·列传·卷九》
后来又封他为代王的左长史，参与处置国家大事。
后拜代王左长史，参决国事。
Later, he was appointed as the chief of the imperial historians of King Dai and participated in the handling of state affairs.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 后拜代王左长史，参决国事。 [/INST] Later, he was appointed as the chief of the imperial historians of King Dai and participated in the handling of state affairs.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 后拜代王左长史，参决国事。
user
Later, he was appointed as the chief of the imperial historians of King Dai and participated in the handling of state affairs.
assistant