Complex sentence: Residential communities are typically communities that help support more commercial or industrial communities with consumers and workers; this phenomenon is probably because some people prefer not to live in an urban or industrial area, but rather a suburban or rural setting.
Split into simpler sentences: Residential communities are typically communities that help support more commercial or industrial communities with consumers and workers. That phenomenon is probably because some people prefer not to live in an urban or industrial area, but rather a suburban or rural setting.