Historians who write history emphasize the value of primary sources, that is those sources actually dating from a particular time period, while understanding the limitations of such sources. … Historians must work to recognize the difference between facts and interpretations in their field.
The answer is that History is inescapable. It studies the past and the legacies of the past in the present. Far from being a ‘dead’ subject, it connects things through time and encourages its students to take a long view of such connections. All people and peoples are living histories.
How does the historian affect history? The bias of historians will affect the way they record events. When studying history, asking questions and checking other sources will improve one’s perspective.
Historians look for causes and effects that help to explain how and why events happened. They try to see the past through the eyes of the people who lived it. When they study the past, historians ask themselves questions. The answers to the questions help historians draw conclusions about the past