Which statement accurately summarizes how americans’ civil liberties changed as a result of 20th-century supreme court rulings?

a. free-speech rights were strictly limited for those accused of advocating criminal activities.
b. students accused of crimes on school property gained substantial privacy rights.
c. publications spreading political dissent increasingly lost free press protections.
d. many new restrictions were put in place to protect the civil rights of the accused.

A. free-speech rights were strictly limited for those accused of advocating criminal activities.

Explanation:

Symbolic speech is a term that portrays informative circumstances where the message transmitted isn't actually communicated by the interlocutor. This sort of discourse is secured by the First Amendment implicitly.  

Decisions, for example, Tinker v. Des Moines, United States v. O'Brien, Texas v. Johnson, and Cohen v. California extended the assurance of this sort of talk, including it inside the insurance of the First Amendment to freedom of expression.

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