Answer:
Gold and other precious natural metals; silver and copper.
Explanation:
The great depression started because of a stock market crash. meaning economy will go down quickly. As companies started losing money they could not pay there employees enough. Employees then started quitting there jobs or low food supply made them hungry tired and weak. For the survivors that needed money had to get jobs though it was difficult because companies could not pay enough. People had to grow there own crops and get there own water to survive.
Plymouth had much better living conditions because it could focus on agriculture and growth instead of hunting and whaling and similar things. People in Plymouth were much safer and their lives were easier. Also, Plymouth became important later for the ideas of abolitionists making it important for the civil war as an idea in the long run.