Match list-I with list-II and select the correct answer using code given below the lists : List-I (Theories of Population) List-II (Propounders of Theories) A. Optimum Population Theory 1. Thompson B. Social Maladjustment Theory 2. Malthus C. Demographic Transition Theory 3. Edwin Cannan D. Population-Food Supply Relationship Theory 4. Henry George Code : A B C D