《汉书·传·王莽传上》
以往国家的危难，本起因于没有继承人，婚娶不当。
乃者，国家之难，本从亡嗣，配取不正。
In the past, the country's difficulties were due to the lack of heirs and improper marriage.
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 乃者，国家之难，本从亡嗣，配取不正。 [/INST] 以往国家的危难，本起因于没有继承人，婚娶不当。</s>
Translate the following Classical Chinese text into modern Chinese: 乃者，国家之难，本从亡嗣，配取不正。
user
以往国家的危难，本起因于没有继承人，婚娶不当。
assistant