| A | B |
| censorship | to block out or limit what we have access to |
| Alien and Sedition Act 1789 | Made it illegal to speak or print anything against the President or the governement |
| Schenck v. Slaves 1919 | "clear and present danger"; freedom of speech not absolute |
| Tennesse v. John Scopes 1925 | evolution v. creationism |
| Island Trees School District v. Pico 1982 | school board cannot remove books from library shelves |
| Tinker v. DeMoines 1969 | symbolic freedom of speech |
| Hazelwood School District v. Kuhlmeir 1986 | School has right to censor newspaper |
| Federal Communications Commission | FCC decide whether or not information is indecent or profane |
| Federal Communications Act | set limits/rules on radio broadcasting |