What was the first rap group to create gangsta rap?

The first rap group to create gangsta rap is often considered to be N.W.A. (Niggaz Wit Attitudes), which was formed in Compton, California, in the early 1980s. N.W.A. is widely credited with popularizing the subgenre, and their music addressed social issues such as police brutality, poverty, and gang violence. Some other early pioneers of gangsta rap include Ice-T and Schoolly D.