As a city planner, what is one solution you would create to fix problems with overcrowding in the world's cities? does your solution fix problems with the city's governmental capacity or the environment's carrying capacity?

And fast (use two examples) some historians say that the attacks by the abolitionist actually strengthened sectionalism in the south instead of weakening it. how might the abolitionist have been contributing to the tension arising over slavery? provide two specific example of the southern response to the aboltitonist attacks.