Which is the best example of a primary source document useful in the study of history

hi your question lacks the needed option hence here is the complete question with options

a documentary with expert analysis of the event in question

a peer-reviewed article written about the event by a respected historian

a professorial analysis of key battlefield strategies of the event

a journal excerpt from a person involved in the event in question

Answer is : A journal excerpt from a person involved in the event in question

Explanation:

A primary source is a first hand source of information about some event or group of events understudy. it usually involves the original source of the event or a person directly involved or affected by the event.

In the study of history a journal excerpt from a person involved in the event understudy by the historian is regarded as a primary source of information because the information contained in this excerpt will be directly from the person involved and not a third party

many women had to remain at home while husbands found work.

explanation: