Read the quotation, then answer the question. How did Harriet Tubman “serve our enslaved people”?

She helped many enslaved people start revolts.
She helped many enslaved people learn to read.
She helped many enslaved people escape the South.

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.