What was the theme of Anna Karenina?

Anna Karenina was a long novel by Tolstoy from Russia. It mainly told the story of Anna Karenina's beauty, intelligence, independence, and her tragic ending in the quagmire of love and marriage. The novel reflects several main topics, the most prominent of which are love, power, and morality. In the novel, the love line between Anna and Rochester runs through the whole story. They love each other deeply, but because of social, family, moral and other factors, they can't be together in the end. At the same time, the novel also revealed the various problems of Russian society at that time, such as aristocratic privileges, feudal morality, power struggle, etc., which reflected the dark side of the society at that time. The moral values of Anna and Rochester in the novel were also questioned. Anna thought that she was independent and independent, but when faced with Rochester's deep affection, she began to waver and eventually fell into the quagmire of love. At the same time, the novel also revealed the distortion and restraint of morality in the society at that time, such as Anna's father's opposition and obstruction to his daughter's marriage, and Rochester's family's interference in his marriage. Anna Karenina was a novel that reflected many topics such as love, power, and morality. Through the description of the social reality at that time, it revealed the dark side of society and the distortion of human nature.