Mark Twain, an iconic author, is known for his critiques of 19th-century American society. Through novels like "The Adventures of Huckleberry Finn," Twain offered sharp insights into issues of race, class, and morality. His literary style combined humor and social commentary, prompting readers to reflect on their values and the societal norms of the time. Twain's ability to address uncomfortable truths while entertaining his audience solidified his status as a literary giant. His critiques remain relevant today, providing valuable historical perspectives on the cultural landscape of America.