This was a mixture of things.
The increase in population from soldiers and influx of immigrants caused the need for more food to be produced and more jobs to be demanded. So farmers started over producing which led to the Dust Bowl and, eventually, the Great Depression.
Women during the Enlightenment and their contributions. The Enlightenment era was often viewed as the founder of individualism and rationality. Women at that time often challenge those ideas and started questioning their roles in society.