What conflict sets the scene for the story Civil peace by chinua Achebe?

this question is not school related. refrain from asking non school or academic related questions in the future.

the gas pressure p, gas volume v, and gas temperature t are given in the formula:   pv=nrt,

r is the gas constant, and n is the number of gas moles.

if the container is cooled and remains under atmospheric pressure, where r is a constant that does not change, the volume of the container remains the same, the conclusion is drawn that, with all other values ​​unchanged, the number of gas moles n, is decreases.

the right answer is a.

it was a big part of the story, making a lot of plot points happen?