The correct answer is; emotional appeal
I'm not sure but here's the definition of Parallel Structure. ( Using the same pattern of words to show that two or more ideas have the same level of importance). You can go with either the first or second sentence that's my opinion but I'm really not 100% sure. Sorry I couldn't been more helpful. I tried
Answer
The extent of Shakespeare’s legacy 450 years on from his birth is incalculable. But this, of course, does not stop some from trying.
Explanation: