H i couldn't delete my question so yeaaa

Which of these effects of mass production techniques used during 1920

Which of the following was a bold new idea expressed in the declaration of indenpendnce?

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.