What did Jane Jacobs say about how rational and modernist planning might prevent cities from being flourish? Group of answer choices A clear separation and order of various functions of cities, such as residential, cultural, commercial, and industrial uses. Urban messiness as a manifestation of the adaptive complexity of cities. Diversity in land use, building types, socio-economic status, and activities. A well-connected street network with necessary infrastructure to support local businesses, movements, and social interactions