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Because an eyewitness account would be a primary source. With secondary and third sources, information can become twisted and wrong. An eyewitness account is first hand, and contains the reliable information or reliable facts about an event.

Eyewitness accounts are important to historical research because events are often the result of chance, oversight, or error.

What is historical research?

Historical research is to recapture or reorganized the events of the past.

Historical research is important to know what happened in the past.

To do the research, we have to collect primary and secondary data.

Primary data is the things from the past and the testimony of people that saw the incident occur.

Thus, the correct option is B. because events are often the result of chance, oversight, or error.

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