How did portraiture in Ancient Roman sculptures differ in Ancient Greece?
Ancient Roman Portraiture praised perfect proportions, and ideal beauty standards
Ancient Roman Portraiture praised men overwoman
Ancient Roman Portraiture praised hard work, age, wisdom, being a community leader
and soldier
Ancient Roman Portraiture praised only the people in charge.

the printing press made a huge difference in the arts and crafts movement.

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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.