Article 18 code 2385
Treason, Sedition, Subversive Activites
Advocating overthrow of the government.
Paragraph 2
Whoever, with intent to cause the overthrow or destruction of any such government, prints, publishes, edits, issues, circulates, sells, distributes, or publicly displays any written or printed matter advocating, advising, or teaching the duty, necessity, desirability, or propriety of overthrowing or destroying any government in the United States by force or violence, or attempts to do so; or"
https://www.law.cornell.edu/uscode/text/18/2385