Which of the Following Best Explains the Order to Which

Which of the following best explains the order to which a primitive legal system develops?

A) 1) adjudication; 2) arbitration by neutral parties; 3) bargaining between adversaries; 4) mediation/conciliation by neutral parties
B) 1) bargaining between adversaries; 2) mediation/conciliation by neutral parties; 3) adjudication; 4) arbitration by neutral parties
C) 1) mediation/conciliation by neutral parties; 2) adjudication; 3) arbitration by neutral parties; 4) bargaining between adversaries
D) 1) arbitration by neutral parties; 2) bargaining between adversaries; 3) mediation/conciliation by neutral parties; 4) adjudication