求翻译：马克.吐温的作品暴露了美国社会阶级对立、种族歧视等真实情况，帮助人们更完整地了解美国现实，因而他被称为美国“文学中的林肯”。是什么意思？

Mark Twain has exposed the real situation of the American society of class antagonism, racial discrimination, a more complete understanding of the American reality, he was called Lincoln "in the U.S. literature.

Mark Twain's works, the Society of the United States exposed class confrontation, racial discrimination, and real-world situations to help people understand more completely the United States reality, and he was called "literature in the United States Abraham Lincoln.

Mark. Twain's work has exposed the American society social class opposition, the racial discrimination and so on the real situation, helps the people to understand the American reality completely, thus he is called US “in literature Lincoln”.

Mark. Twain's work exposing the United States social class antagonisms, real situations such as racial discrimination, help people more fully understand United States reality, thus he is called United States "Lincoln in literature".

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