Final answer:
In 'Pride and Prejudice', Mr. Darcy justifies his actions towards Jane and Bingley's relationship as a protective measure for Bingley, and he exposes Wickham's true character to explain his treatment of him.
Step-by-step explanation:
In Pride and Prejudice, Mr. Darcy defends his interference with Jane and Bingley's relationship by explaining that he believed Jane's affection for Bingley was not genuine, and he wanted to protect his friend from an unhappy union. Regarding his treatment of Wickham, Darcy reveals the true nature of Wickham's character, including his attempt to elope with Darcy's young sister for her fortune. He justifies his actions by detailing Wickham's past misdeeds, suggesting that his intervention was both reasonable and necessary to protect his family and friends from a man he deemed untrustworthy.