Based on the given excerpt, President Kennedy stressed his point by using anaphora to emphasize the lack of equality. Anaphora is a writing technique which refers to the intentional repetition of the first part of the sentence, in this case, the words that were repeated are: "It ought to be possible..."
For the first question that would be based off your experience in applying for jobs but for the second one you should consider the work you will be doing at the job, the commute from your home, if you’re in school the hours at which you can and can’t work and how much you’re getting paid
I think that the answer it the wind.