Slave owners perceived slaves as innately lazy, ignorant, and irresponsible—traits that justified their enslavement. this is an example of the phenomenon.

Justifying that because slaves were perceived as innately lazy, ignorant, and irresponsible they deserved o be enslaved is an example of the Just-world hypothesis phenomenon.

Explanation:

The just-world hypothesis theory or fallacy is a theory that believes that person actions are always responded with morally corresponding outcomes or consequences. Saying that if someone behaves morally correctly they are going to get good fortune, future, consequences. However, if they behave morally incorrectly they are going to get bad or misfortunate consequences. It is associated with fallacies and believes however in modern days scientists have found that is correlated with an internal locus of control.

world bank is the correct answer.