Select all that apply. How have Vietnam veterans contributed to American understanding of the Vietnam War?
by writing books on Vietnam
by entering counseling for PTSD
by speaking in classrooms across the United States
by organizing parades

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.