《宋史·列传·卷二百三十三》
大元追兵赶到，质问： 为什么违背盟约？ 于是大元纵兵进攻淮、汉，从此宋、元兵事兴起。
追兵至，问曰： 何为而败盟也？ 遂纵攻淮、汉，自是兵端大启。
The Great Yuan pursuing troops catch up and demand: Why violate the treaty? The Great Yuan then sends troops to attack Huai and Han, marking the start of the war between the Song and the Yuan.
<s>[INST] For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 追兵至，问曰： 何为而败盟也？ 遂纵攻淮、汉，自是兵端大启。 Modern: 大元追兵赶到，质问： 为什么违背盟约？ 于是大元纵兵进攻淮、汉，从此宋、元兵事兴起。 [/INST] The Great Yuan pursuing troops catch up and demand: Why violate the treaty? The Great Yuan then sends troops to attack Huai and Han, marking the start of the war between the Song and the Yuan.</s>
For each of the following sets of Classical Chinese and Modern Chinese sentences, provide an English translation that captures the essence of both: Classical: 追兵至，问曰： 何为而败盟也？ 遂纵攻淮、汉，自是兵端大启。 Modern: 大元追兵赶到，质问： 为什么违背盟约？ 于是大元纵兵进攻淮、汉，从此宋、元兵事兴起。
user
The Great Yuan pursuing troops catch up and demand: Why violate the treaty? The Great Yuan then sends troops to attack Huai and Han, marking the start of the war between the Song and the Yuan.
assistant