In Wallace V

In Wallace v. Jaffree, why did the Supreme Court strike down an Alabama law that required one minute of silence for prayer or meditation in all public school classrooms?

A) The law violated the free exercise clause.
B) The prayer constituted an excessive entanglement between government and religion.
C) The prayer violated the sacred-secular doctrine of the Ninth Amendment.
D) The law lacked any clearly secular purpose.
E) The law violated principles of common law.