B. "Dormant" Commerce Clause was a legal interpretation used by Congress to Prevent states from enacting laws that could affect interstate trade.
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Courts in the United States have deduced a legal concept from the Commerce Clause in Article I of the US Constitution known as the Dormant Commerce Clause or Negative Commerce Clause.
Courts will often overturn a State law if it explicitly demands unequal treatment of out-of-state and in-state contesting financial interests in a way that advantages the latter and burdens the latter, in accordance with dormant Commerce Clause precedent.
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