What is opium? Why was it valuable to the British?

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.

How can the relationship be described between the cold war and the civil right movement? why?

From what country did alexander the great begin his conquets?