Which statement best explains why writers of persuasive essays usually write in third-person voice?

Read this excerpt from the lady of shalott by alfred, lord tennyson. in which three lines does the poet reveal the monotomy of the lady’s existence

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

Which word from the stanza can you use as a clue to determine the meaning of the word vales ?