What political impact did the pax romana have on ancient rome?
what social impact did the pax romana have on ancient rome?
what economic impact did the pax romana have on ancient rome?
what cultural impact did the pax romana have on ancient rome?

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:

if it were me, i would pick c. c is the best answer because it's basically saying go on a non-violent strike for india

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.