Answer:
B. The opinions may provide clues to the source's feelings and possible bias.
Explanation:
A reason that a historian may want to consider opinions, as well as facts as reported by a source, would be to make sure that the source is not biased and to know his true feelings because his emotions can cloud his judgment.
Therefore, the correct answer is B.
The allegiance against Iraq.
I’m fairly certain on which president Bush we’re talking about, but if I am wrong let me know. After the 9/11 I’m events, the Bush administration propelled an allegiance towards a group that he called the “axis of evil” which included Iran, Iraq, and North Korea.
It wasn't until 2012 that Feely and a team from Oregon State University finally showed with certainty that acidification had caused the problem.