Sutherland’s Theory

What is the major idea behind Sutherland’s differential association theory? List at least seven of the nine propositions he delineates. What people are particularly important in the process Sutherland describes? What is meant by the principle of differential association? What is the meant by the term differential social organization? How is this important for differential association processes? How does Akers, in his Social Learning theory, extend and expand upon Sutherland’s approach?