Ancestor worship might be called veneration of ancestors.
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Ancestor worship encourages submitting to authority rather than
questioning it.
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Ancestor Worship
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Ancestor worship usually involves offerings that had a special
meaning to the ancestor(s) in question in their lives. Food and
drink are also essentials, and in some cultures, so is money.
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The feeling or expression of reverence and adoration for a
deity: "ancestor worship".