"To those who have cherished an affection for a faithful and sagacious dog, need hardly be at the trouble of explaining the nature or the intensity of the
gratification thus derivable. There is something in the unselfish and self-
sacrificing love of a brute, which goes directly to the heart of him who has had
frequent occasion to test the paltry friendship and gossamer fidelity of mere
Man."
-Edgar Allan Poe, "The Black Cat"

How do the length and rhythm of these sentences affect the pacing of this early
section of exposition?

you should go do that

explanation:

the legal limit for the drivers who can drive after consuming any amount of alcohol is 21 years.

explanation:

on november 1, 1996, a "zero tolerance law" was put into effect in the new york state.

according to this zero tolerance law, for people under the age of 21 years, it was illegal to purchase and possess alcohol or to drive after consuming any amount of it.

also, the alcohol involvement rate for the drivers under the age of 21 was roughly twice that of elderly drivers.

well there are a bunch of different possibilities so your gonna have to be a bit more specific