Define exurban migration and urban sprawl, which often occur

Define exurban migration and urban sprawl, which often occur in developed countries such as the USA.In contrast, please describe what causes urban blight in developing third world countries.Does urban blight differ from slums?Name at least three countries that are currently facing urban blight.Why are those three countries facing such difficulties?What is a shantytown?What do the people in the shantytowns need most?If you had the power, what is the first thing you would do to help the people in a shantytown?Share your thoughts of reflection of the video