Answer: The problem that is illustrated by the sentence provided is "grammatically incorrect".
Explanation: The sentence "I joined the others by the fire however they were about to go to bed" is grammatically incorrect because it contains punctuation mistakes. The sentence provided includes a connector ("however") that is joining two independent clauses<u>. Punctuation rules state that a semicolon must always be added before "however" and that a comma must always come after it</u>. In that way, <u>as the sentence provided does not include a semicolon nor a comma, the sentence is grammatically incorrect.</u> The correct way of writing it is: "I joined the others by the fire; however, they were about to go to bed".
Haven't learned this yet, but my best guess would be D. because in the cold wars, there was the Red Scare, which was somewhat like a Witch Hunt (like the salem witch trial) except they hunted down communists and persecuted them
