Complex sentence: The riot unveiled long simmering tensions between Crown Heights' black and Jewish communities, had an impact on the 1993 mayoral race, and ultimately led to a successful outreach program between black and Jewish leaders that helped improve race relations in the city.
Split into simpler sentences: The riot unveiled long simmering tensions between the Crown Heights' black and Jewish communities. It also had an impact on the 1993 mayoral race, and ultimately led to a successful outreach program between black and Jewish leaders that helped improve race relations in the city.