There is no word in italics which one is it in italics
the purpose of the passage is
D) to persuade soldiers to consider the value of Freedom and fight for it
Jake likes cupcakes MORE than cake because they are BETTER. More and better are both comparative words.
Superlative would be words like "the best" "most"-basically the most extreme positive adjective for things.
Answer:
Improving vocabulary skills will improve their understanding of novels and textbooks.