I believe C is the answer as President Kennedy talks about defending freedom and doesn’t only mention America, but also citizens of the world.
Hope it helps (:
I would say that if a reader understand an author's culture it helps the reader understand what the point the author is trying to make.
The correct answer is option 4.The speaker and the neighbor repair the wall from opposite sides. The author refers to the wall mending as being 'just another kind of out-door game, one on a side' implying that the speaker and the neighbor are engaged in a game with them both being on opposite teams of one player only as they repair the wall together, but from each of their own opposite sides.
I don't know if you need this for a class, but I looked it up.
"Have humans been cloned?
Despite several highly publicized claims, human cloning still appears to be fiction. There currently is no solid scientific evidence that anyone has cloned human embryos." - genome (dot) gov
