Hip hop and rap have many important influences—R&B, funk, soul, jazz, rock and roll performers; poets, and writers like Iceberg Slim; and stylistic forebears like Muhammad Ali and Richard Pryo. Following Ronald Reagan's election as President in 1980, conditions in inner-city African-American communities worsened, and hip-hop political commentators began to increasingly address worsening social problems such as mass unemployment, police brutality, incarceration, inadequate public schools, political apathy, and ...