Pg 328 (340) - Q3
Here we are talking about the use of copious detail which would be a great amount of detail. Although intended to _______ the reader's appreciation was instead regarded by many as a barrage of _______ information. Well, if he's using a lot of detail(looking at the second one first, saying that he's going to be looking at a lot of boring or trivial detail). Trivial works best in the second spot, and deepened fits in the first spot because he's trying to deepen their appreciation which was regarded as a barrage of trivial information.