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1971 supreme court case
established that aid to church related schools must :
have a secular legislative purpose
have a primary effect that does not advance or inhibit religion
does not foster excessive entanglement of the government with religion
a 1973 supreme court case
created community standards used to determine obscene materials
the work appeals to prurient interests in sex
the work shows patently offensive sexual conduct
the work lacks literary, artistic, political, or scientific value