How does the emancipation proclamation relate to the Declaration of Independence?

After the attacks of september 11, 2001, the united states demanded that

What was the overall impact of eli whitneys introduction of interchangeable parts?

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.