The element which can be found in primary source historical documents is a firsthand view of the time period. Hence, Option C is correct.
What are historical documents?
Documents which are original and contain important information about the events that occurred in history. This information is about anything, whether it is a person, place, or event.
These documents are the primary sources of history as they are the primary ingredients of historical methodology. They are mostly produced around the time of the events and act as firsthand evidence of an event.
An image is attached at the end for better understanding.
Therefore, Option C is correct.
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