Em relação a segunda guerra mundial Por qual motivo há controvérsias a respeito do massacre dos oficiais poloneses?

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:

explanation:

i would have to say the women in the 1700 had the most rights because the men did not car about what they did in there time

could you give me the options ?