Causas del holocausto en el siglo XX

the answer is b.2008 and 2012 were presidential election years.

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:

during world war ii                                                      

hello, your actual correct answer is c. taxes.

factories are actually the second biggest but on your optian list its taxes.