The incas, the maya, and the aztecs were a)all the same group of native americans. b)all groups who lived in the same region. c)primitive groups of people. d)three separate highly civilized groups. e)none of the above.

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:

raw information is your answer

~courtney