A reader trying to determine whether the historian's interpretation is valid would most likely: A. search for Depression-era primary sources from cities to see if they mention urban poverty.
This refers to the research outlet that is usually accurate and factual because the author was present when the event occurred.
Hence, we can see that based on the fact that the historian made a claim about the impact of the Great Depression on cities and rural areas, he would look for a primary source that shows the effect on city areas.
Therefore, the correct answer is option A.
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