Social studies has to do alot with pictures about the past along with text. If you can see and remember the picture then the answers will come to mind. If you can remember that then you can remember other things by only a picture. If you practice it alot then you can get to the point where you could see it once and remember it for months.
Answer:
Doctors, Engineers, Mechanics, labourers, businessman, etc
It is becaus they are just taking photos for the media...
