《后汉书·列传·铫期王霸祭遵列传》
等到光武为大司马，就以王霸为功曹令史，从渡河北。
及光武为大司马，以霸为功曹令史，从度河北。
When Liu Xiu became the Grand Marshal, he made Wang Ba the Clerk of the Merit Officer, and followed him across the Yellow River.
<s>[INST] Kindly elucidate the central themes in this passage in English: 及光武为大司马，以霸为功曹令史，从度河北。 [/INST] When Liu Xiu became the Grand Marshal, he made Wang Ba the Clerk of the Merit Officer, and followed him across the Yellow River.</s>
Kindly elucidate the central themes in this passage in English: 及光武为大司马，以霸为功曹令史，从度河北。
user
When Liu Xiu became the Grand Marshal, he made Wang Ba the Clerk of the Merit Officer, and followed him across the Yellow River.
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