What basic principles determine limits on first amendment rights

The First Amendment to the United States Constitution prohibits the making of any law respecting an establishment of religion, impeding the free exercise of religion, abridging the freedom of speech, infringing on the freedom of the press, interfering with the right to peaceably assemble or prohibiting the petitioning for a governmental redress of grievances. It was adopted on December 15, 1791, as one of the ten amendments that constitute the Bill of Rights.

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Explanation:

The "clear and present danger" test is a basic principle for deciding the limits of free speech. It was set by the famous Schenck v. the United States case from World War I.