Coal, I think that's right it seems to be the only one that makes sense
Answer: Keynesian economists stated that the recession of 1937 was a result of a premature effort to curb government spending and balance the budget. Roosevelt had been cautious not to run large deficits. In 1937 he actually achieved a balanced budget. Therefore, he did not fully utilize deficit spending.
Nautrual resources is a good response
Explanation:
The north had more population, a grater industrial base, and more wealth