《资治通鉴·汉纪·汉纪三十八》
适逢天旱，有人上书说是因为未封外戚的缘故，于是有关部门奏请依照旧制赐封。
会大旱，言事者以为不封外戚之故，有司请依旧典。
It coincided with a drought, and someone submitted a memorial claiming that it was because the emperor had not ennobled his maternal relatives, so the relevant departments proposed that he grant titles according to the old system.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 会大旱，言事者以为不封外戚之故，有司请依旧典。 [/INST] It coincided with a drought, and someone submitted a memorial claiming that it was because the emperor had not ennobled his maternal relatives, so the relevant departments proposed that he grant titles according to the old system.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 会大旱，言事者以为不封外戚之故，有司请依旧典。
user
It coincided with a drought, and someone submitted a memorial claiming that it was because the emperor had not ennobled his maternal relatives, so the relevant departments proposed that he grant titles according to the old system.
assistant