While conducting research, you find the following pieces of evidence:
1. Jack London's influence on the world's literature was dampened by his style, which was that of an unpolished newspaper reporter." -Smith Greene
2. "Jack London's books were published in numerous countries, and both everyday fans and learned scholars adored his writing." (five sources were listed as documentation.
Evidence piece #1 is an example of a(n)
factual data.
outline.
opinion.
footnote.
none of these