Law and order exist for the purpose of establishing justice and that when they fail in this purpose they become the dangerously structured dams that block the flow of social progress. —dr. martin luther king, jr., letter from a birmingham jail, 1963 explain how dr. king uses the principle of justice in this speech. a. justice is a universally understood and accepted principle. b. justice is the use of laws to maintain order among citizens. c. justice is a dangerously structured dam blocking progress. d. justice is the fair application of laws to all citizens.