Identify and describe the reasons he is considered an innovator of the Pop Art Movement

Watch the two videos below about Pop Artist and icon Andy Warhol. Identify and describe the reasons he is considered an innovator of the Pop Art Movement. List at least 2 reasons and include 2 example (with embedded images) of his most famous works.

https://www.youtube.com/watch?v=QAJJ35DVlTs&feature=youtu.be

https://www.youtube.com/watch?v=paQtSOIfBbw