Https://www.education.com/reference/article/basis-high-scope-curriculum/ Click the link and it will tell you the basis. I would have just told you, but I don't understand it.
Answer:
1962
Explanation:
Andy Warhol turned to his most notable style—photographic silkscreen printing—in 1962. This commercial process allowed him to easily reproduce the images that he appropriated from popular culture.
In my personal opinion art is a little easier than science since im more on the creative side :)