A.) The distinction between Chinese and barbarians is most strict, and your Ambassador's request that barbarians shall be given full liberty to disseminate their religion is utterly unreasonable.
The answer is "which had undergone a complete make -over".
a dependent clause that modifies a noun
Hello!
The difference between <em>tone</em> and <em>mood </em>is:

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Tone:
Tone is what the <em>author </em>feels about what s/he is writing. It reflects the writer's feelings.
Mood:
Mood is what the <em>reader </em>feels about what s/he is reading. It is intended to shape the reader's emotional response to the literary work.
<em>Sometimes </em>the mood and tone can be the same. This isn't always the case, though.