The option that most effectively completes the sentence is “allowing world nations freedom of choice, within reason, promotes peace”. According to John Kennedy in his speech delivered at the American University, nations (in this case he refers to the Soviet Union) should not try to impose rules on other nations as this interferes with the process of peace and creates tension.
2. 1. 4. 3.
"(2) Equality awakens on the first day in the forest with a realization of freedom. (1) There is no longer anyone to tell him what to do.(4) The next day, he hears footsteps behind him.(3) He hides in the bushes, but there is no need, for it is the Golden One. She had heard of his escape, because the whole city is speaking of it."
[this is how I would personally phrase it]
Answer: his regret was not writing the book in first person and how it ended up being an adults book only and not a boys book.
He uses rhetorical questions to emphasize his main point.