In fiction, 'internal conflict' refers to a character's internal struggle. A character might struggle with an emotional problem such as fear of intimacy or abandonment, for example. External conflict, on the other hand, refers to the conflicts between a character and external forces.
Whenever we <em>noticed a mistake</em> in an article published, but we are <em>not</em> completely <em>sure</em> what exactly is, we <em>should research</em> about the subject, in this case, by reading various <em>historical accounts</em>. After making sure we know what facts were left out, the <em>next step is to inform the edito</em>r of the publicaton about the case.