B. Palestinians became refugees in Syria and Lebanon.
That is describing what the character does so it is C. It couldn't be A because it isn't a part of the story. It couldn't be B because it isn't a problem. It lastly couldn't be D because it's not a message the author is trying to convey to the reader.
Generally speaking, "assembly line jobs" did not represent an obstacle during this time, since this in fact increased productivity through the "specialization of labor".
Answer:
D
Explanation:
The new deal created several government funded programs that helped employ many american citizens and it also set new regualtiosn for banks in order to prevent another economic depression.