Why does a author use 3rd person point of view?

It allows the writer to act as an omniscient narrator. Information can be given to the reader about any character's thoughts, opinions, or feelings.

The primary advantage to writing fiction in the third person (using the pronouns he, she, they, etc.) is it allows the writer to act as an omniscient narrator. Information can be given to the reader about every character and situation, whether or not the individual characters know anything about it.

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.

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