Read this passage from "The American Dream."

One of the first things we notice in this dream is an amazing universalism. It does not say some men, but it says all men. It does not say all white men, but it says all men, which includes black men. It does not say all Gentiles, but it says all men, which includes Jews. It does not say all Protestants, but it says all men, which includes Catholics.

Which statement explains how the sentence structure contributes to the passage?

Sentences are somewhat long, which makes the ideas stand out in the passage.
Sentences are similar in length, which contributes to the rhythm of the passage.
Sentences are somewhat short, which makes the ideas stand out in the passage.
Sentences are different lengths, which contributes to the rhythm of the passage.