I believe A would be the best way to keep the original meaning while making it simple to understand.
Answer:
The correct answer is: Persuasion.
Explanation:
In this excerpt, President Obama evidently uses persuasion, one of the most important rhetorical means, in order to convince the audience that the U.S. needs a strategy to provide better sources than other countries.
He also appeals to their emotions, by involving the audience into the scenario, as he considers the U.S. citizens responsible for all achieved efforts and invites them to accept his proposal.
I cannot write the full story for you, but I can give some recommendations.
You can understand "trapped" metaphorically and you can describe a family that had to spend a lot of money on the medical treatment of their child and now they have to work hard to pay their debt. They cannot change a job since they would risk loosing their payment, and so they are "trapped" in their life.