In visual arts, the United Sates was at the forefront for much of the second half of the 20th century. After World War 2 the focus of the international arts world shifted form Paris to New York, where a group of young American painters, including Jackson Pollock, Mark Rothko, and Willem de Kooning, where creating the first distinct American painting style, abstract expressionism. Later the world of art reacted to omnipresent mass media with the send-ups of advertising and mass-produced object by Andy Warhol and other pop artist. Warhol's various versions of the original Campbell's Soup Can are now American icons.