What role did both formal and informal racial discrimination practices play in shaping the structure and development of cities (you can use Yonkers as an example)?

What role did both formal and informal racial discrimination practices play in shaping the structure and development of cities (you can use Yonkers as an example)? Do you think that segregation occurs today because of government policies or solely because of private choices? What kinds of policies encourage segregation or diversity? Is the city of Phoenix diverse? Why or why not? Are races and ethnicities separated into different neighborhoods within the city? If so, why might this be? Are there any areas that are more diverse than others? If so, what might account for the diversity in those areas? You may draw upon class material, outside sources, or the assigned film to respond to this question. file:///C:/Users/Horseshoe%20Gate/Downloads/neighborhoods%20and%20crime2.pdf https://spotcrime.com/az/phoenix/neighborhoods http://communitycrimemap.com/