What purpose does the juxtaposition serve in this passage

Juxtaposition is used to make comparison and contrasting of the ideas and the concepts placed side by side.

Explanation:

Juxtaposition is one of the most commonly used literary techniques. This kind of literary techniques is used to put two ideas, concepts, characters or the actions of the characters, places side by side in the poem or the story in which it is used.

This is done for the readers of the poems or the narrations to make comparisons or the contrasts between the ideas and the concepts which have been placed side by side.