If you're talk about "The Circuit" from the Classics of young readers from Volume 6, then it's unity and teamwork..
I also say its to neaten up forgive me if its wrong
A. the rise of the middle-class and the wide availability of affordable automobiles led to the development of suburban areas
Answer:
reoccur. Is the prefix of occur.
In "Cranes," just after Song-sam lets his friend escape, he hears a shot.
This is the moment when he becomes very worried about his friend, because he starts thinking that maybe that bullet ended up in his friend, hurting, or possibly killing him. He wants to find out what happened which is why he ventures forth.