communism

在共产主义制度下，生产资料归集体所有。

Under ___communism, the means of production are collectively owned.

共产主义的目标是建立一个没有阶级差异的社会。

The goal of ___communism is to establish a society without class differences.

许多国家在20世纪采用了共产主义作为他们的官方意识形态。

Many countries adopted ___communism as their official ideology in the 20th century.