Respuesta :

Answer:

Tinker v. Des Moines

Explanation:

Tinker v. Des Moines is a historic Supreme Court ruling from 1969 that cemented students' rights to free speech in public schools. Mary Beth Tinker was a 13-year-old junior high school student in December 1965 when she and a group of students decided to wear black armbands to school to protest the war in Vietnam.

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