《资治通鉴·后汉纪·后汉纪一》
契丹主把张彦泽的罪行向百官宣布，并问： 张彦泽应不应该处死？ 百官都说： 应该处死。 
以彦泽之罪宣示百官，问： 应死否？ 皆言： 应死。 
The Khitan Emperor announced the crimes of Zhang Yanze to the civil and military officials and asked: should Zhang Yanze be executed? The civil and military officials all said: he should be executed.
<s>[INST] Kindly elucidate the central themes in this passage in English: 以彦泽之罪宣示百官，问： 应死否？ 皆言： 应死。  [/INST] The Khitan Emperor announced the crimes of Zhang Yanze to the civil and military officials and asked: should Zhang Yanze be executed? The civil and military officials all said: he should be executed.</s>
Kindly elucidate the central themes in this passage in English: 以彦泽之罪宣示百官，问： 应死否？ 皆言： 应死。
user
The Khitan Emperor announced the crimes of Zhang Yanze to the civil and military officials and asked: should Zhang Yanze be executed? The civil and military officials all said: he should be executed.
assistant