What passages?
I dont see any but i will answer
Homework exists so the school can reinforce what you learned at school.
The plot is about how middle schoolers evolve. The setting of the school shows the everyday life of the main middle schooler going through the struggles of being a preteen and the preparation for high school. (If this doesn’t help google the plot of the story and think about the setting and the the relation.)
Answer: to rally emotional support for a unified country
Explanation: the civil war originally started because several states wanted to secede from the union. That is the easiest way I can put it. Slavery did play a role in the war as well.