How does city planning contribute to the decay of cities?

How is sharing and togetherness a function of city streets and sidewalks? Why do these factors contribute to the success of a neighborhood?

What are the four necessary attributes for diversity?

Explain how diversity destroys itself.

In what ways do cities finance colonization?

What is the sequence of events in the development of slums?

What are some of the suggestions that Jacobs makes for more relevant city planning?