The main purpose of the jargon in this excerpt is to

A. Describe the setting in vivid and accurate detail B. Convince the reader that the text is nonfiction C. Make the text seem more genuine and authentic D. Prove that the writer is an expert on the subjectThe correct answer is C. Make the text seem more genuine and authentic.

Atahualpaemperor of the inca empire who rose to the throne after winning a civil war between him and his brother.  -he refused to become a spanish vassal or christian.-francisco pizarro kidnapped him and demanded a huge ransom.  -pizarro's secretary described him as "a man of thirty years, good-looking and poised, somewhat stout, with a wide, handsome, and ferocious face, and the eyes flaming with blood."-after the ransom was paid, atahualpa was killed by pizarro