revisionism
noun [ U ] politics, social science uk/rɪˈvɪʒ.ən.ɪ.zəm/ us/rɪˈvɪʒ.ən.ɪ.zəm/
(尤指针对马克思主义政治制度的)修正主义
asking questions about and trying to change existing beliefs about how events happened or what their importance or meaning is
historical revisionism 历史修正主义