What does the image above depict? (ANWSER)
A prominent radical French journalist, Marat was murdered in the name of the French Revolution. A young supporter of the opposing party saw Marat as partly responsible for a series of riots in which many people were killed.

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artists need to create a realistic interpretation so that people in general can relate to the artwork. for a common people, an artist's impression gets increased only if he can create something which would look realistic. an abstract is difficult for a common people to understand whereas if a person can draw a girl with simple pencil sketch and if that looks like a real figure then the latter will be praised more than the former.

i believe their role is to instruct certain sections on when they are to join and when they are to stop