It should mean that it’s an exponent but this is in the English section so
Meanwhile would be an appropriate conjunctive adverb to complete that sentence.
<span>“A book sealed,” a reference to the Bible, is called an - a. Allusion. It's a form of speech that refers to the object but not directly, it hides its real meaning. It's up to you to find out what one or another allusion means. Allusion is commonly used in parody.</span>
Answer: A) “Slavery was abolished . . . thirty years before the Emancipation Proclamation.”
I believe the correct answer would be C
