All his years of painstaking and often frustrating attempts at deciphering had been rewarded. "I am going to do it," he had said as a boy when the mathematician Fourier showed him a copy of the Rosetta Stone. Now he had succeeded. Based on details in the excerpt, the reader can conclude that Champollion mostly felt about his accomplishment

a sense of pride.
thankful to Fourier.
envious of Fourier.
a sense of frustration.

answer; preconscious;

from the word list given, the most suitable words that relate to the reason information were written would be:  

objectivity: lack of bias, judgment, or prejudice

accuracy: free of mistakes, to be correct

authority: the ability to tell people what to do or believe in

content: to be satisfied  

it can be said that the author made the article to present objectivity, to provide accurate information, to be the authority in the subject that he or she writes, and to be satisfied of the information quality given out.