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Which research source is an example of a primary source?

a movie about Cold War-era chess

a textbook chapter about the Cold War

an article about the Cold War by an expert

a photograph taken during the Cold War era

User Neoscribe
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2 Answers

2 votes

Answer:

D

Step-by-step explanation:

User Mirza Dobric
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4 votes

Answer:

a photograph taken during the cold war

User Wim Molenberghs
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