Answer:
It was a breakthrough in his research.
Explanation:
James Giblin's book "The Riddle of the Rosetta Stone" presents the perfect illustrations and descriptions of how ancient hieroglyphs were an important factor. Moreover, the book also presents an interesting overview of ancient Egyptian history for avid historians and even for children interested in archeology.
Based on the given statement, we can know that the <em>"copy of an inscription"</em> that was sent to him by a colleague became the breakthrough in his research. This piece of information helped Jean-Francois Champollion's research and became the breakthrough act that uncovered or revealed everything that's been hidden.
Thus, the correct answer is the first option.
In the words of Geoffrey Ase "One reason for their becoming popular was that they appealed to a wide variety of interests, in an age when there wasn't much in the way of imaginative fiction" The arthurian story have magic, fantasy, religion, drama, comedy and different topics that are appealing for almost everyone. The success of this epic story is its timing release, the wide topics that covers and that it is an easy reading for people of all ages.
