In Lemon v. Kurtzman (1971), the Supreme Court ruled that
A) states can prohibit pornography despite the freedom of the press.
B) aid to church-related schools must have a secular legislative purpose.
C) religious freedom takes precedence over compulsory education laws.
D) an official prayer at a public-school graduation violated the constitutional separation of church and state.
E) voluntary prayer in public schools is unconstitutional.
Answer: B