《新唐书·列传·卷四》
刘武周进犯汾、晋地区，朝廷下诏派遣右卫将军宇文歆协助他防守并州。
刘武周略汾、晋，诏遣右卫将军宇文歆助守。
When Liu Wuzhou invaded the Fen and Jin regions, the imperial court issued an edict to send General of the Right Yuwen Xin to assist him in defending Bing Province.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 刘武周略汾、晋，诏遣右卫将军宇文歆助守。 [/INST] When Liu Wuzhou invaded the Fen and Jin regions, the imperial court issued an edict to send General of the Right Yuwen Xin to assist him in defending Bing Province.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 刘武周略汾、晋，诏遣右卫将军宇文歆助守。
user
When Liu Wuzhou invaded the Fen and Jin regions, the imperial court issued an edict to send General of the Right Yuwen Xin to assist him in defending Bing Province.
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