Based from the excerpt, it can be inferred that the mood of the story delves into the realization that '<span>The children didn’t realize just how poverty-stricken their families were.</span>' As mentioned, they had no reference (such as radios, TV, or newspapers) in order to fully grasp their current situation.
The states benefited each other with defense, goods and trading
I can't answer that because I didn't watched the video or read the text. But if I were you I would re-read and re-watch it. At least until I got ideas and for future advice take notes as you watch and read things the notes will also help you one up with ideas.
Every paragraph has to have an antecedent and an anecdote to go with it to keep the topic of the paragraph where it's supposed to be. So it doesn't turn into a run on paragraph <span />
A. to interpret a literary work in light of a single idea