C is the right one. Unlike quotations or paraphrased ideas, information that's considered "common knowledge" doesn't need to be cited. "Common knowledge" is information that's considered widely known or easily verified.
Satire is the use of humor or irony to point out flaws in something, whether it be fashion, a person, but it is commonly used in politics.
Sarcasm is using irony to make something said hurtful.
Satire is used to point out flaws and be hurtful, Sarcasm is used just to be mean and hurtful, it isn't used to point out flaws. That would be your difference.
<span>They have the greatest drive among all social classes to overcome the Party's oppressive rule. That's your answer</span>
Leonardo da Vinci, ( Italian: “Leonardo<span> from </span>Vinci<span>”) (born April 15, 1452, Anchiano, near </span>Vinci<span>, Republic of Florence [Italy]—died May 2, 1519, Cloux [now Clos-Lucé], France), Italian painter, draftsman, sculptor, architect, and engineer whose genius</span>
