Which of the following statements best describes the Incan social class structure? A.
Most Incans were nobility who owned large tracts of land.

B.
Only Incans could be a member of the nobility.

C.
Lower ranking nobility held government positions.

D.
To be a member of the nobility, you must be related to the king.

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:

true

explanation: