1. D
2. B
3. C
4. (You didn't include the choices to answer the question, sorry)
The last president of the U.S. to receive an actual formal declaration of war from congress was Franklin Roosevelt. It was for World War 2.
The school of thought that the historians that researched the Great Depression belong to is known as economic history.
<h3>What is an
economic history?</h3>
This refers to the study of a country's past development such as in relation to its economics, labour, business etc
Hence, because the historians researched the Great Depression, they belong to the school of thought known as economic history.
Read more about economic history
<em>brainly.com/question/2094255</em>
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The correct answer should be c.peddlers who traveled as a group to the same area to sell merchandise together rather than compete with each other
The point of the guilds was to prevent competition and ensure equal quality, so this answer seems to make most sense.