What is the main use of this type of time line? comparing events across time and place understanding the conflicts in the regions determining the relationships between regions gathering detailed information about the events

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:

the china one is last

explanation:

(d) he had been a leader of the sons of liberty.