 Complete the following phrase:  Street gangs were prevalent in the poverty of the South Bronx, and much of the graffiti, rapping, and b-boying at these parties were all artistic variations on the competition and one-upmanship of street gangs. Sensing that gang members often violent urges could be turned into creative ones, Afrika Bambaataa founded the Zulu Nation, a loose confederation of street-dance crews, graffiti artists, and rap musicians. By the late 1970s, the culture had gained media attention, with Billboard magazine printing an article titled B Beats Bombarding Bronx, commenting on the local phenomenon and mentioning influential figures such as Kool Herc. The 