What does Smith say should be done to produce positive change in neighborhoods? Group of answer choices Counteracting the negative impacts of poverty by redesigning affected neighborhoods to be diverse, convivial, supportive, and connective Deconcentrating poverty by replacing public housing with mixed-income developments Clearing out poverty by renewing old neighborhoods, replacing them with public housing projects and exclusive suburbs Reducing poverty by investigating the systemic, institutional mechanisms that cause it (including economic and income inequality and environmental racism), and intervening to change these mechanisms