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Here’s a bit of info regarding the definitions of crimes against the United States which include Sedition and Treason.

https://www.law.cornell.edu/uscode/text/18/part-I/chapter-115

U.S. Code › Title 18 › Part I › Chapter 115

18 U.S. Code Chapter 115 - TREASON, SEDITION, AND SUBVERSIVE ACTIVITIES

Sedition definition
sedition
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Sedition

A revolt or an incitement to revolt against established authority, usually in the form of Treason or Defamation against government.

Sedition is the crime of revolting or inciting revolt against government. However, because of the broad protection of free speech under the First Amendment, prosecutions for sedition are rare. Nevertheless, sedition remains a crime in the United States under 18 U.S.C.A. § 2384 (2000), a federal statute that punishes seditious conspiracy, and 18 U.S.C.A. § 2385 (2000), which outlaws advocating the overthrow of the federal government by force. Generally, a person may be punished for sedition only when he or she makes statements that create a Clear and Present Danger to rights that the government may lawfully protect (schenck v. united states, 249 U.S. 47, 39 S. Ct. 247, 63 L. Ed. 470 [1919]).

The crime of seditious conspiracy is committed when two or more persons in any state or U.S. territory conspire to levy war against the U.S. government. A person commits the crime of advocating the violent overthrow of the federal government when she willfully advocates or teaches the overthrow of the government by force, publishes material that advocates the overthrow of the government by force, or organizes persons to overthrow the government by force. A person found guilty of seditious conspiracy or advocating the overthrow of the government may be fined and sentenced to up to 20 years in prison. States also maintain laws that punish similar advocacy and conspiracy against the state government.

Governments have made sedition illegal since time immemorial. The precise acts that constitute sedition have varied. In the United States, Congress in the late eighteenth century believed that government should be protected from “false, scandalous and malicious” criticisms. Toward this end, Congress passed the Sedition Act of 1798, which authorized the criminal prosecution of persons who wrote or spoke falsehoods about the government, Congress, the president, or the vice president. The act was to expire with the term of President John Adams.
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more here:

https://legal-dictionary.thefreedictionary.com/sedition

treason
[tree-zuh n]

Examples
Word Origin

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noun
1.
the offense of acting to overthrow one’s government or to harm or kill its sovereign.
2.
a violation of allegiance to one’s sovereign or to one’s state.
3.
the betrayal of a trust or confidence; breach of faith; treachery.
http://www.dictionary.com/browse/treason