How were the Tinker v. Des Moines and Engel v. Vitale cases similar? A. Both cases established limits on public schools' actions based on the First Amendment. B. In both cases, the Supreme Court ruled in favor of limiting religious expression in public schools. C. In both cases, the Supreme Court ruled that the Bill of Rights does not apply to students in public schools. D. Both cases expanded free speech rights for students and teachers in public schools.