The lines which are a flashback here are: She thought of her last day in middle school, seven years ago, when Sarah had given her an iPod. She had felt ecstatic that day when she realized she would be able to listen to her favorite songs and fend off comments from her cousins about how little she knew about music.
In paragraph 9, what the phrase "drew him on by artful questions" means is that he questioned him to try to gain privileged information.
He had to find out some information that was very important to him, so he started questioning him furtively so as to get to the bottom of things.
A conflict in a person...change he/her for more precaution with who she deals with.
Yes, Globalization allows companies to find lower-cost ways to produce their products. It also increases global competition, which drives prices down and creates a larger variety of choices for consumers. Lowered costs help people in both developing and already-developed countries live better on less money.