Which definition of the term yankee is correct? a. a prospector in the california gold fields b. a tracker who hunts down runaway slaves c. a conductor on the underground railroad d. a soldier in the union army during the civil war

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:

answer: my personal opinion is the black spider because he is more powerful than spiderman.