The document provides an overview of Pop Art, which emerged in the mid-1950s in England and late 1950s in America. Pop Art used popular and commercial imagery as subject matter, challenging the divide between high and low art. Key Pop Artists mentioned include Warhol, Johns, Lichtenstein, Oldenburg, and Rauschenberg. The document also discusses the related postmodern movement and how Pop Art influenced underground arts through its critique of consumer culture and American ideals.