In the 1930s a law case in minnesota established new guidelines concerning the publication of disturbing media content. the term coined by the u. s. supreme court in its precedential ruling that only material that could be a threat to national security can be banned and blocked from publication.

The correct answer is - Prior restraint (also known as prior censorship or pre-publication censorship).

Explanation:

In case Near Vs. Minnesota (1931), the United States Supreme Court ruled with close votes 5 to 4, that prior restraints as a form of censorship were unconstitutional, unless they present a threat to the country's national security and control of obscenity. Before that many publishers in Minnesota were censored for publishing what could be identified as a disturbing media content.

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