Verified Answer :

The establishment clause came into realization that the state and religion cannot be totally separated. According to the Supreme Court, there is a 3-part test in determining if the celebration complies with the Clause,
     (1) the activity must be for non-secular purposes.
     (2) religion must not be advanced nor inhibited as a primary effect of the activity.
    (3) the activity must not result in too must entanglement with the religion. 

Answer:

The display does not violate the clause because it is secular.

Explanation:

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