Why is display important? what effects could the display have on the photographs or the enjoyment of the photographs by others?

Display is important because it helps someone who is viewing a photograph to identify what is being captured in the photograph. If there is "bad display", someone viewing the photograph wouldn't be able to enjoy the image without being distracted by something like bad photo quality or blurriness. 

Iwould say overhead, b/c front would shine in their face, and might mess up the picture, especially if taken by a so either front or overhead, but i'm leaning towards overhead

Heyaas we all know that history is the most important without it we cant solve anything. i had never read any history thats why i dunno know about any past culture.we can read it via wikipedia. u