Question: When was the centrality of the "separation" concept to the Religion Clauses of the Constitution made explicit?
Sentence: The centrality of the "separation" concept to the Religion Clauses of the Constitution was made explicit in Everson v. Board of Education, 330 U.S. 1 (1947), a case dealing with a New Jersey law that allowed government funds to pay for transportation of students to both public and Catholic schools.
Answer in sentence: yes