The correct answer to this open question is the following.
Yes, the Card Criminal Syndicalism Act outlawing the expression of revolutionary political views violate the First Amendment of the Bill of Rights.
Under the Bill of Rights, every United States citizen has the right to freely express with respect, although its opinions criticize the government. Exactly that was the intention of the founding fathers of the United State, that people could have freedom of speech to express their concerns or demand certain changes.
Let's have in mind that during the 1910s and 1920s, different state governments enacted criminal syndicalism laws to prohibit workers support their demands. Many people were arrested during that spam for organizing or participating in protests and demonstrations.
