Why does the author repeat the word volunteer?
to emphasize the theme
to introduce a new wordto readers
to add a personal voice

an great real life example for the lottery principle is the real life lottery itself. it adheres to the lottery principle so much it's even called lottery. you apply for the lottery in the manner of getting a ticket and if you are lucky, the goods are distributed to you, in this case, the huge amounts of money. there are other real life example but this is the best one.

8. b

9. d

10. e

11. a

12. c

i think thats it