Here is a Cultural Literacy worksheet on the United States Selective Service System. This is a half-page worksheet with a two-sentence reading and three comprehension questions. If you teach high school. this might be a quick introduction to a civic obligation–right or wrong–that young people must heed in order to receive a number of other rights.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.