Complex sentence: A geographically remote, socially isolated disenfranchised majority-black population of displaced blue collar workers created an environment rife with unemployment and relative poverty which made the neighborhood a hotbed of drug dealing and gang activity.
Split into simpler sentences: A geographically remote, socially isolated, majority-black population of displaced blue collar workers endured an environment rife with unemployment and relative poverty. These socioeconomic factors transformed the working class neighborhood into a hotbed of drug dealing and gang activity.