Complex sentence: Further, South Korean history textbooks have changed the characterization of the events, providing a more neutral understanding of human rights violations, such that the textbooks changed the initial official narrative that described the Jeju events as a communist rebellion.
Split into simpler sentences: Further, South Korean history textbooks have changed the characterization of the events, providing a more neutral understanding of human rights violations. Specifically, the textbooks have changed the initial official narrative that described the Jeju events as a communist rebellion.