The correct answers are A) upbringing, C) political views, and E) religious views.
Three things that affect an historian’s perspective of past events are upbringing, political views, and religious views.
An historian needs to be a very experienced and educated individual because he/she has the responsability to do research in order to understand the past and be avaible to explain it. THe historian must be objective, clear, open to new ways of observing things and events, and he /she has to be very careful in choosing the primary and secondary sources that really belong and help him/her with the research. The historian doesn’t need to have bias. That is why the three things that affect an historian’s perspective of past events are upbringing, political views, and religious views. The historian always needs to maintain objectivity.
The other options of the questions were, b) honor and fame and d) friends.