It is the use of C. a flashback. A flashback refers to a scene that happened before in the timeline. So if you are writing something in a chronological manner, it means that you are going to write it in the order that the events happened. If you suddenly introduce a flashback, you are going to break the flow of chronological events.
because put it this way those characters you can relate to since your from the same ethnicity therefore having things in common if they do something inspirational or brave you will proud and think you can do it to because you relate to the character