Answer:
Their goals, a strive to do better or something to strive for.
Answer:
C) Incidentally
Explanation:
Personally I don't like any of these answer choices. However, this one makes the most sense in this context. The others would need a much different set-up earlier on in the passage. "Incidentally" does not require such a set up, which is why it is the only one that fits.
It is usually referred to by using letters to indicate which lines rhyme; lines designated with the same letter all rhyme with each other. So it would be AA,BB