Which literary device add depth to characters by showing previous events?

(01.03 mc) what does the conversation between marcus and his father reveal about their characters? a marcus doesn't agree with the regulations put in place, but his father does. b marcus's father doesn't agree with the regulations put in place, but marcus does. c marcus's father thinks the regulations provide security, and so does marcus. d marcus wants stricter regulations to be put in place, and his father agrees.