A. A brief explanation that tells the reader what the image is showing
<span>These nonessential elements, which can be words, phrases, or clauses, are set off with commas. Rule: Use commas before and after nonessential words, phrases, and clauses, that is, elements embedded in the sentence that interrupt it without changing the essential meaning.</span>
Well it would probably be because it's set into a more modern area and they're more familiar with that time period.