We are not a Theocracy. We are a republic.
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I pledge allegiance to the flag of the United States of America, and to the republic for which it stands, one nation under God, indivisible, with liberty and justice for all."
(from Wikipedia)
Theocracy is a form of government in which a 'god' or 'deity' is recognized as the supreme civil ruler. For believers, theocracy is a
form of government in which divine power governs an earthly human state, either in a personal
incarnation or, more often, via religious institutional representatives (i.e., a
church), replacing or dominating civil government.
[1] Theocratic governments enact
theonomic laws.