social disorganization theory

Social disorganization theory is also relevant for all of these topics, though it is not always a primary topic. For this question, you must choose two of these topics and thoroughly explain how social disorganization theory is relevant for each of them. For example, how can we use social disorganization theory to understand the topic? How can it be used as an explanation? In what ways might it fall short, perhaps requiring modification to the theory? 
-concentrated reentry