Why might an author choose to use a third-person narrator apex?

third person view is a detached person, this can be used for many reasons. it can be used to not tell you exactly what the characters are thinking and feels and rather to describe the action more.  

An author may choose to use a third-person narrator to tell the story from many  different perspectives.

The third-person point of view is a type of storytelling in which a narrator tells all the action of their work using a third-person pronoun such as "he" or "she."

The third-person narrator can be limited so that, the narrator only relates his or her own thoughts, feelings, and knowledge of various events in the story and other characters.

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.

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