Which item is an example of a secondary source?

B. A transcript from an interview with Richard Nixon

Explanation:

A secondary source is a document that relates to or discusses information that was originally presented somewhere else.

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powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.