That would be compound subject. Hope it helps!
The correct answer is does
Which excerpt from the passage encompasses the falling action of the story?
D.)“And now at last the young wrens were satisfied, and sat down together and ate and drank, and made merry till quite late into the night.”
~Hope this answers your question!~
Try one country at a time.
First explain the countries healthy standards individually.
Then compare and contrast the two countries together.
That should help you start off!
Just keep sharing ideas and facts + blending in your own opinions on the matter.
Good luck! :D