The Alien Registration Act or Smith Act (18 USC 2385) of 1940 made it illegal for anyone in the United States to advocate overthrowing the government. It also required all non-citizen adult residents to register. The act aimed to identify members of the Communist Party of the United States of America.
... and similar rights
legal rights: the right to be presumed innocent until proven guilty, the right to retain a lawyer and to be informed of that right, and the right to ...