In Lemon v. Kurtzman (1971), the Supreme Court established the Lemon Test to determine the constitutionality of laws related to religion in government.
Lemon v. Kurtzman (1971) introduced the Lemon Test to determine the constitutionality of laws involving religion in government. This test states that for a law to be considered constitutional, it must have a legitimate secular purpose, its primary effect must not advance or inhibit religion, and there should be no excessive entanglement between government and religion.
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