Choose only the correct statements that describe the causes of the great depression. "hoovervilles "refer to the government centers set up to the homeless. the novel "grapes of wrath" describe a family migrating to california due to the dust bowl. prices on crops such as wheat and corn began to increase as a result of the end of world war i. overproduction was a leading cause of world war i because of increased technologies and decreased demand for goods after world war i. overgrazing and drought led to the loss of topsoil that resulted in the dust bowl."okies" were the nickname given to families who left the dust bowl and migrated further west for new opportunities. bank runs were caused by people panicking to withdraw their money, which led to thousands of banks failing."buying on the margin" was considered a risk free way of playing the stock market since the broker guaranteed your investment.