Once I heard a clown complain to me that Vatican Council II should have blasted communism (?). Actually, he knew little of Vatican Council II because he had never read the glorious Ecclesiam Suam. Be informed and know this magnum opus.
101. "These are the reasons which compel us, as they compelled our predecessors and, with them, everyone who has religious values at heart, to condemn the ideological systems which deny God and oppress the church-systems which are often identified with economic, social and political regimes, amongst which atheistic communism is the chief."