Which of the Following Is an Example of Self-Justification

Multiple Choice

Which of the following is an example of self-justification.

A) The Crusaders assimilating Jews and Muslims as defenders of the "true faith."
B) Puritans burning witches, whose refusal to confess "proved they were evil."
C) Pioneers befriending Native Americans who were "heathen savages."
D) Europeans trading Africans as slaves.