Answer:
Allusion is a figure of speech, in which an object or circumstance from unrelated context is referred to covertly or indirectly. It is left to the audience to make the direct connection. Where the connection is directly and explicitly stated by the author, it is instead usually termed a reference.
Explanation:
Basically its a reference to a known topic
A Clarity because clarity means the same as "how clearly". Or the measurement of "how clear something is", like the clarity of water. If you practiced new Vocab words with good clarity or with clarity, it means you understand them and can spell them well.
This is my onion to this question i think its:
D-"He believes that we should remove Saddam Hussein and his regime from power immediately"
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