C. the closing of the First Bank of the United States
if you're using plato/edmentum, the answer is A.
Hoover's response to the Great Depression was the Smoot-Hawley tariff which rose tariffs on over 20,000 products. This measure led to retaliation from foreign countries especially from Europe and they rose their own tariffs on their American imports, the American economy was hit back and it explains why Hoover's policy failed.
Hoover was nicknamed "Do nothing" by the Democrats, they blamed him for sticking to Laissez faire economics, but this accusation was wrong as he pushed for more state intervention which eventually failed.
<span>since it is asking for the US foreign policy disaster that occurred you can get rid of the options that the US had nothing to do with.</span>
Answer: His goal was to move into Pennsylvania and to bring the war deeper in the Northern states.
Explanation: