Mark Twain was called the Lincoln of American literature because of his important position and influence in American history. Lincoln was the greatest president in American history. He led the United States to victory in the civil war, promoted the abolition of slavery and the process of protecting national unity, and also put forward a series of important political ideas and policies, such as freeing slaves and strengthening the power of the federal government. Mark Twain was an important figure in the history of American literature. His masterpiece, The Legend of Mark Twain, was considered a classic in the history of American literature. His works covered a wide range of fields, including novels, history, politics, etc. His style was humorous and satirical, reflecting and criticizing the political and social reality of the time. As a result, both Lincoln and Mark Twain had a very important position and influence in the history of American literature. They were regarded as outstanding representatives of American cultural history.