This is a political movement.
Alot really it depends on how u look at it
<span>Realistic depiction of the human body has been important in Western art for centuries. The illusion of three-dimensional space being created on a two-dimensional painting is also a central part of Western art. Non-Western art may or may not focus on the human form, however. For example, geometric patterns are much more important than the human form in some forms of Islamic art. </span><span>many Western paintings are done on canvas, while many traditional Chinese, Korean and Japanese paintings have been done on thinner rice paper
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Many Americans had more money and more leisure time.