Complex sentence: She once asked her boss why he had chosen to hire her and he cited the fact that she was a girl scout troop leader as a contributing factor, because it showed that she cared about people and would go above and beyond.
Split into simpler sentences: She once asked her boss why he had chosen to hire her. He cited the fact that she was a girl scout troop leader as a contributing factor, because it showed that she cared about people, and would go above and beyond.