《宋史·列传·卷七十》
元昊臣服后，召庞籍为枢密副使。
元昊既臣，召籍为枢密副使。
Yuanhao surrendered, summoned Pang Ji to be the deputy privy envoy.
<s>[INST] Kindly elucidate the central themes in this passage in English: 元昊既臣，召籍为枢密副使。 [/INST] Yuanhao surrendered, summoned Pang Ji to be the deputy privy envoy.</s>
Kindly elucidate the central themes in this passage in English: 元昊既臣，召籍为枢密副使。
user
Yuanhao surrendered, summoned Pang Ji to be the deputy privy envoy.
assistant