Answer:
I'm guessing the second one and the last one... I never read the story.
Explanation:
I think the answer would be...
The angles fed the people in need
Sharpness or keenness of thought, vision, or hearing.
The rule is that when the conjunction and is used to connect two independent clauses to create one compound sentence, there should always be a comma before and. Having this in mind, the correct answer is the first choice - The library of congress houses over 147 million items, and it is the largest library in the world.