While attending a town hall meeting, you hear someone from a national energy company argue that a new natural-gas drill site will not be environmentally damaging and will produce many jobs in the community. which aspect should you most consider when listening to this position? a. point of view b. main idea c. bias d. generalization e. validity

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation:

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

the correct answers are 1, 2 5, 6

napoleon the third became a empire in 1873 also known as the era of the franco-prussian war.