PLEASE HELP!
How did the Supreme Court's Tinker v. Des Moines decision affect civil liberties for U.S. citizens?
A.It expanded public schools' ability to search students without obtaining a warrant.B.It guaranteed access to an attorney for students accused of crimes on school property.C.It restricted teacher-led prayer and general religious expression in public schools. D.It established that students have a right to freedom of speech in public schools.