《金史·列传·卷五十二》
两行省并约宋军统帅赵范、赵葵一起夹攻北军。
两行省乃约宋帅赵范，赵葵为夹攻之计。
The two administrative provinces joined forces with Commanders Zhao Fan and Zhao Kui of the Song army and together launched a pincer attack against the northern army.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 两行省乃约宋帅赵范，赵葵为夹攻之计。 [/INST] The two administrative provinces joined forces with Commanders Zhao Fan and Zhao Kui of the Song army and together launched a pincer attack against the northern army.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 两行省乃约宋帅赵范，赵葵为夹攻之计。
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The two administrative provinces joined forces with Commanders Zhao Fan and Zhao Kui of the Song army and together launched a pincer attack against the northern army.
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