Effective leaders should a. Have total obedience from their followers, be able to put their principles down in writing, and create and reinforce collective trust. b. Have total obedience from their followers, mobilize collective goods, and create and reinforce collective trust. c. Identify public goods and common goals, mobilize collective resources, and create and reinforce collective trust. d. Have total obedience from their followers, mobilize collective goods, and be able to achieve anything they want