How did colonial responses to british policies inflame tendion

What kind os source would a historian use to get a firsthand account of a past event

The declaration of independence gave the americans concrete reasons for the revolution

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.