American History: A Survey 10/e   Alan Brinkley
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1. hallucinogens: Chemical substances (natural or synthetic drugs) that induce hallucinations. Hallucination is the repeated hearing, feeling, smelling, or seeing things that are not actually physically present.

2. iconoclasm: The doctrine of those who attack cherished beliefs, traditions, or institutions. The term is derived from the Greek, referring to people who destroyed religious symbols (icons).

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