Were the works of Mark Twain popular while he was living?

Mark Twain was a popular writer during his lifetime. His works gained significant recognition and success in the United States and abroad. Some of his most famous novels, such as "The Adventures of Tom Sawyer" (1876) and "The Adventures of Huckleberry Finn" (1884), were instant bestsellers and continue to be widely read today. Twain's popularity stemmed from his unique writing style, characterized by humor, wit, and a keen observation of human nature. He was also known for his social and political commentary, often addressing issues such as slavery, racism, and corruption in his works. Twain's popularity allowed him to become a prominent figure in American literature and a respected voice on social matters during the late 19th and early 20th centuries.