What group meets regularly so that the nation's mayors may compare problems and discuss possible solutions?

Which of the following factors would be a likely reason for low population density

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse

Which did president carter refuse to do in his attempt to free american hostages taken by iran?