The book The 7 Habits of Highly Effective People says three social maps explain human nature. These three theories are widely accepted, independent or in combination, to explain the nature of man.
Genetic determinism: it says that you're who you're because of your DNA.
Psych determinism: it says that your parents did it to you. Your upbringing and childhood experience essentially laid out your tendencies and character structure.
Environmental determinism: it says that your boss, spouse, economic or political situation, national policies are doing it to you. Someone or something in your environment is responsible for your situation.