1. Many historians argue that Stalinism was characterized by authoritarianism and human rights abuses.
许多历史学家认为斯大林主义以威权主义和侵犯人权为特征。
2. The policies of Stalinism had a significant impact on the Soviet Union and other countries under his influence.
斯大林主义的政策对苏联以及受其影响的其他国家产生了重大影响。