What made hitler so angry at jews ?

The answer isn’t really known, but most assume that answer is that when Hitler was younger, his Mother became ill, and so she went to a hospital where the nurse was Jewish. His mother died (although it wasn’t really the Nurse’s fault), and since then he always held a grudge for Jews.

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:

the answer should be monarchy