How did Black Codes affect the employment of African Americans in the South? A. African Americans were unable to gain employment.
B. African Americans were protected by fair labor contracts.
C. African Americans were treated unfairly by employers.
D. African Americans were treated with respect by employers.

Which of these is not a criticism of the concentric zone model? it does not accurately describe cities after the rise of suburban development. it only applies to cities that grew after the development of the automobile. it assumes that inner-city areas will always be repurposed instead of abandoned. it places too much importance on the traditional central business district.