Final answer:
The statement true about the post-conventional level of moral development is that individuals behave morally because they believe such actions are right.
Step-by-step explanation:
From the list provided, the statement that is usually true about the post-conventional level of moral development is b. individuals behave morally because they believe such actions are right. This level of moral development, as described by Lawrence Kohlberg, involves individuals who think of morality in abstract terms and make moral choices based on their internal principles rather than through anticipation of external rewards or punishments. In the post-conventional stage, people understand that laws and societal norms may not always align with morally correct actions. Examples include acts of civil disobedience, like the protests in 2011 Egypt, where citizens challenged government corruption despite the legal authority of the government.