Final answer:
Obedience is the strongest form of social influence after coercion.
Step-by-step explanation:
The strongest form of social influence that remains after coercion is obedience.
Obedience is the change of an individual's behavior to comply with a demand by an authority figure.
People often comply with the request because they are concerned about a consequence if they do not comply, similar to how coercion involves threats or force to make someone comply.